1. 4C. 2009a. Common Code for the Coffee Community Association, Home page content. Retrieved from http://www.4c-coffeeassociation.org.
2. 4C. 2009b. Common Code for the Coffee Community Association, Code Document; Updated version February 2008. Retrieved from http://www.4c-coffeeassociation.org.
3. 4C. 2009c. “Terms of Reference for the Mediation Board of the Common Code for the Coffee Community Association”. Retrieved from http://www.4c-coffeeassociation.org.
4. The lobster fiefs revisited: economic and ecological effects of territoriality in Maine lobster fishing;Acheson,1987
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