[1] Keith Lindsay, Mike Chase, Kelly Landen, Katarzyna Nowak. The shared nature of Africa's elephants (2017)
[2] African Elephant Status Report of 2016 (AESR 2016) produced by the IUCN/ SSC African Elephant Specialist Group, and rates of poaching and ivory seizures in reports by the Monitoring the Illegal Killing of Elephants (MIKE) and Elephant Trade Information System (ETIS) programs
[3] Scott Schlossberg, Michael J. chase, Kathleen S. Gobush, Samuel K. Wasser & Keith Lindsay. State-space models reveal a continuing elephant poaching problem in most of Africa (2020)