Dippenaar-Schoeman, Anna S. (Anna Sophia), 1948-; Van den Berg, Almie; Lyle, Robin; Haddad, Charles R.; Foord, Stefan Hendrik; Lotz, Leon N.(AOSIS Open Journals, 2013-04-19)
Mukherjee, Aeshita; Wilske, Burkhard; Navarro, Rene A.; Dippenaar-Schoeman, Anna S. (Anna Sophia), 1948-; Underhill, Les G.(Wildlife Information Liaison Development, 2010-04)