1. Abuladze, A. 1998. The Bearded Vulture Gypaetus barbatus in Caucasia. pp.177-182. In: R.D. Chancellor, B.U. Meyburg and J.J. Ferrero (eds.). Holarctic Birds of Prey. ADENEXWWGBP,Mérida and Berlin.
2. Rapid population declines of Himalayan Griffon Gyps himalayensis in Upper Mustang, Nepal
3. Are inland wolf–ungulate systems influenced by marine subsidies of Pacific salmon?