C. Josh Donlan, Joel Berger, Carl E. Bock, Jane H. Bock, David A. Burney, James A. Estes, Dave Foreman, Paul S. Martin, Gary W. Roemer, Felisa A. Smith, Michael E. Soulé, Harry W. Greene,
Pleistocene rewilding: an optimistic agenda for twenty-first century conservation. The American Naturalist. ,vol. 168, pp. 660- 681 ,(2006) ,
10.1086/508027