Communications of the ACM, pp. 33-38, vol. 46, No. 2, February Lua, E. K., Crowcroft, J., PIAS, M., SHARMA, R., and LIM, S.: "A Survey and Comparisonof peer-to-peer
Damien A.; Brook, Barry W. (2012). «Conserving imperiled species: a comparisonof the IUCN Red List and U.S. Endangered Species Act». Conservation Letters