improve background notes and refs

2 files changed, 120 insertions, 27 deletions

diff --git a/20250926-sources.md b/20250926-sources.md
index 367e4ce..8fee041 100644
--- a/20250926-sources.md
+++ b/20250926-sources.md
@@ -1,6 +1,10 @@
+# Baggrundsmateriale
+
 > information makes people want freedom
 > [@Kelty2008, s. 118].
 
+## Om begrebet "Copyleft"
+
 Betydningen af "fri" ved lanceringen af GNU EMACS i 1983
 var moralsk direkte knyttet til en form for kollektiv deltagelse
 ikke monetært fri, og ej heller fri af ejerskab
@@ -38,7 +42,32 @@ Christopher M. Kelty undersøger også mere bredt frihedsbegreber,
 hvor han bl.a. kommer ind på kollektiv frihed
 [@Kelty2014].
 
-Relevante kollektioner:
+## Det kollektive
+
+@Zhu2013 argumenterer,
+at ordentlig juridisk håndtering af Copyleft-begrebet
+kræver inddragelse af Relationel kontraktteori.
+
+@Frega2019chap5 kritiserer Habermas' teori om kommunikativ rationalitet
+for ikke at rumme andre kvaliteter ved fællesskabet
+end at være rum for samtalen,
+og favorierer i stedet Honneth.
+
+## Deleøkonomi som del af en social kontrakt
+
+@Hielscher2021 undersøger inddragelse af sociale platforme
+(Uber, Airbnb, Couchsurfing m.fl.)
+i en social kontrakt mellem ikke kun borgere og offentlige institutioner,
+men også firmaer som dynamisk præger den samlede kontrakt
+gennem deres tilbud om mere snævre aftaler direkte med borgerne.
+@Ghirlanda2024 kritiserer @Hielscher2021,
+og argumenterer for kooperativer fremfor kapitalistiske virksomheder
+som dynamisk katalysator i et sådan samlet kontraktsystem.
+
+## Kilder til kilder
+
+Kollektioner af relevante videnskabelige tekster:
 
   * <https://philpapers.org/browse/collective-responsibility/>
-  * <https://scholia.toolforge.org/topics/Q133475,Q1057599,Q4116870,Q4330222,Q264892,Q29556,Q9828451,Q232932,Q5500847>
+  * <https://plato.stanford.edu/entries/intellectual-property/#Bib>
+  * <https://scholia.toolforge.org/topics/Q133475,Q1057599,Q4116870,Q4330222,Q264892,Q29556,Q9828451,Q232932,Q5500847,Q1938404,Q2277143,Q3782613,Q797769>
diff --git a/ref.bib b/ref.bib
index 7cf4efc..675c98a 100644
--- a/ref.bib
+++ b/ref.bib
@@ -1,12 +1,3 @@
-@InBook{Kelty2008chap6,
-  pages    = {27--63},
-  title    = {Geeks and {Recursive Publics}},
-  crossref = {Kelty2008},
-  doi      = {10.1215/9780822389002-003},
-  file     = {:Kelty2008chap6 - Geeks and Recursive Publics.pdf:PDF},
-  subtitle = {How the Internet and Free Software Make Things Public},
-}
-
 @InBook{Dedeurwaerdere2006,
   author   = {Tom Dedeurwaerdere},
   title    = {Databases, Biological Information and Collective Action},
@@ -33,53 +24,126 @@
   file     = {:Kelty2014 - The Fog of Freedom.pdf:PDF},
 }
 
+@InBook{Kelty2008chap6,
+  title    = {Geeks and {Recursive Publics}},
+  doi      = {10.1215/9780822389002-003},
+  pages    = {27--63},
+  subtitle = {How the Internet and Free Software Make Things Public},
+  crossref = {Kelty2008},
+  file     = {:Kelty2008chap6 - Geeks and Recursive Publics.pdf:PDF},
+}
+
+@InBook{Frega2019chap5,
+  title    = {Democratic Publics},
+  doi      = {10.1007/978-3-030-18561-9_9},
+  pages    = {319--356},
+  crossref = {Frega2019},
+}
+
 @Book{Kelty2008,
   author       = {Christopher Michael Kelty},
-  publisher    = {Duke University Press},
+  date         = {2008-06-09},
   title        = {Two bits},
+  doi          = {10.1215/9780822389002},
   isbn         = {978-0-822-38900-2},
+  publisher    = {Duke University Press},
+  url          = {https://twobits.net/download/},
   booksubtitle = {The Cultural Significance of Free Software},
   booktitle    = {Two bits},
-  date         = {2008-06-09},
-  doi          = {10.1215/9780822389002},
   file         = {:Kelty2008 - Two Bits.pdf:PDF},
-  url          = {https://twobits.net/download/},
 }
 
 @Book{Honneth2010,
   author    = {Axel Honneth},
-  publisher = {Princeton University Press},
-  title     = {The {Pathologies} of {Individual Freedom}},
-  isbn      = {978-1-4008-3502-7},
   date      = {2010-12},
+  title     = {The {Pathologies} of {Individual Freedom}},
   doi       = {10.1515/9781400835027},
-  file      = {:Honneth2010 - The Pathologies of Individual Freedom.pdf:PDF},
+  isbn      = {978-1-4008-3502-7},
+  publisher = {Princeton University Press},
   subtitle  = {Hegel’s Social Theory},
+  file      = {:Honneth2010 - The Pathologies of Individual Freedom.pdf:PDF},
 }
 
 @Book{Berleur2006,
-  editor       = {Jacques Berleur and Markku I. Nurminen and John Impagliazzo},
-  publisher    = {Springer US},
+  date         = {2006},
   title        = {{Social Informatics}: An {Information Society} for all? In remembrance of {Rob Kling}},
+  doi          = {10.1007/978-0-387-37876-3},
+  editor       = {Jacques Berleur and Markku I. Nurminen and John Impagliazzo},
   isbn         = {978-0-387-37876-3},
+  publisher    = {Springer US},
   booksubtitle = {Proceedings of the Seventh International Conference on Human Choice and Computers (HCC7), IFIP TC 9, Maribor, Slovenia, September 21–23, 2006},
   booktitle    = {Social Informatics: An Information Society for all? In Remembrance of Rob Kling},
-  date         = {2006},
-  doi          = {10.1007/978-0-387-37876-3},
   file         = {:Berleur2006 - Social Informatics_ an Information Society for All_ in Remembrance of Rob Kling.pdf:PDF},
   issn         = {1571-5736},
   journaltitle = {IFIP International Federation for Information Processing},
 }
 
 @Book{Gillespie2014,
-  editor       = {Tarleton Gillespie and Pablo J. Boczkowski and Kirsten A. Foot},
-  publisher    = {The MIT Press},
-  title        = {Media Technologies},
   date         = {2014-01},
+  title        = {Media Technologies},
+  doi          = {10.7551/mitpress/9780262525374.001.0001},
+  editor       = {Tarleton Gillespie and Pablo J. Boczkowski and Kirsten A. Foot},
   isbn         = {978-0-262-31946-1},
+  publisher    = {The MIT Press},
   booksubtitle = {Essays on Communication, Materiality, and Society},
   booktitle    = {Media Technologies},
-  doi          = {10.7551/mitpress/9780262525374.001.0001},
+}
+
+@Article{Hielscher2021,
+  author       = {Stefan Hielscher and Sebastian Everding and Ingo Pies},
+  date         = {2021-09},
+  journaltitle = {Business Ethics Quarterly},
+  title        = {Ordo-Responsibility in the Sharing Economy},
+  doi          = {10.1017/beq.2021.30},
+  issn         = {2153-3326},
+  number       = {3},
+  pages        = {404--437},
+  subtitle     = {A Social Contracts Perspective},
+  volume       = {32},
+  file         = {:Hielscher2021 - Ordo Responsibility in the Sharing Economy.pdf:PDF},
+  publisher    = {Cambridge University Press (CUP)},
+}
+
+@Article{Zhu2013,
+  author       = {Chen Wei Zhu},
+  date         = {2013-04},
+  journaltitle = {Social \& Legal Studies},
+  title        = {"Copyleft" Reconsidered},
+  doi          = {10.1177/0964663912473015},
+  issn         = {1461-7390},
+  number       = {3},
+  pages        = {289--308},
+  subtitle     = {Why Software Licensing Jurisprudence Needs Insights from Relational Contract Theory},
+  volume       = {22},
+  file         = {:Zhu2013 - _Copyleft_ Reconsidered.pdf:PDF},
+  publisher    = {SAGE Publications},
+}
+
+@Article{Ghirlanda2024,
+  author       = {Pietro Ghirlanda and Lorenzo Sacconi},
+  date         = {2024-05},
+  journaltitle = {Business Ethics Quarterly},
+  title        = {A Better Account of Constitutional Contractarianism Implies a Cooperative Form of Governance of the Sharing Economy},
+  doi          = {10.1017/beq.2024.8},
+  issn         = {2153-3326},
+  number       = {3},
+  pages        = {494--516},
+  subtitle     = {Critical Assessment of Hielscher, Everding, and Pies’ (2022) “Ordo-responsibility in the Sharing Economy: A Social Contracts Perspective”},
+  volume       = {34},
+  file         = {:Ghirlanda2024 - A Better Account of Constitutional Contractarianism Implies a Cooperative Form of Governance of the Sharing Economy.pdf:PDF},
+  publisher    = {Cambridge University Press (CUP)},
+}
+
+@Book{Frega2019,
+  author    = {Roberto Frega},
+  date      = {2019},
+  title     = {Pragmatism and the Wide View of Democracy},
+  doi       = {10.1007/978-3-030-18561-9},
+  isbn      = {9783030185619},
+  publisher = {Springer International Publishing},
+  booktitle = {Pragmatism and the Wide View of Democracy},
+  comment   = {https://annas-archive.org/md5/fe9f70d0c5339cbf7bc8b3ad299a498e},
+  file      = {:Frega2019 - Pragmatism and the Wide View of Democracy.pdf:PDF},
 }
 
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