1. Ray JC, Hunter L, Zigouris, J. Setting conservation and research priorities for larger African carnivores. WCS Working Paper No. 24 Wildlife Conservation Society, New York; 2005.
2. The use of photographic rates to estimate densities of tigers and other cryptic mammals;C Carbone;Anim Cons,2001
3. Monitoring rarity: the critically endangered Saharan cheetah as a flagship species for a threatened ecosystem;F Belbachir;PLOS ONE,2015
4. Noninvasive Survey Methods for Carnivores;RA Long,2008
5. Wildlife camera trapping: a review and recommendations for linking surveys to ecological processes;AC Burton;J Appl Ecol,2015