机构:
Univ London London Sch Econ & Polit Sci, Dept Int Relat, London WC2A 2AE, EnglandUniv London London Sch Econ & Polit Sci, Dept Int Relat, London WC2A 2AE, England
机构:
Univ Kentucky, Dept Biol, Lexington, KY 40506 USA
Univ Pretoria, Mammal Res Inst, Dept Zool & Entomol, Pretoria, South AfricaUniv Kentucky, Dept Biol, Lexington, KY 40506 USA