A type catalogue of the reed frogs (Amphibia, Anura, Hyperoliidae) in the collection of the Museum für Naturkunde Berlin (ZMB) with comments on historical collectors and expeditions
Mountains of the world, water towers for humanity: Typology, mapping, and global significance - Viviroli - 2007 - Water Resources Research - Wiley Online Library
Harley Benton MR-Modern PWH – Thomann United States