Show 10 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: author="Pfeffer, Ernst" or (type any "bookEditor issueEditor" and editor="Pfeffer, Ernst") Add to list Journal Article A1 Energy supply of the okapi in captivity: intake and digestion trials Jürgen Hummel, Ernst Pfeffer, Camilla Norgaard, Kristina Johanson, Marcus Clauss (UGent) and Gunther Nogge (2006) ZOO BIOLOGY. 25(4). p.303-316 Add to list Journal Article A1 Energy supply of the okapi in captivity : fermentation characteristics of feedstuffs Jürgen Hummel, Gunther Nogge, Marcus Clauss (UGent) , Camilla Norgaard, Kristina Johanson, Joeke Nijboer and Ernst Pfeffer (2006) ZOO BIOLOGY. 25(4). p.251-666 Add to list Journal Article A1 Fluid and particle retention in captive okapi (Okapia johnstoni) Jürgen Hummel, Marcus Clauss (UGent) , Waltraut Zimmermann, Kristina Johanson, Camilla Nørgaard and Ernst Pfeffer (2005) COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY A-MOLECULAR & INTEGRATIVE PHYSIOLOGY. 140(4). p.436-444