A Schwarm , S Ortmann , Marcus Clauss , R Kühne
Schwarm, A; Clauss, Marcus; Ortmann, S; Alber, D; Flach, E J; Kühne, R; Tack, C; Hofer, H (2004). Energy and mineral nutrition in captive hippopotamidae. Proceedings of the European Association of Zoo and Wildlife Veterinarians, 5:315-316. 5 315 -316
A Schwarm , S Ortmann , E J Flach , G Hohmann
Clauss, Marcus; Schwarm, A; Ortmann, S; Thierer, D; Hildebrandt, T; Hohmann, G; Flach, E J; Kühne, R; Hofer, H (2004). Comparative analysis of physical and chemical characteristics of faeces from free-ranging and captive common hippopotami (Hippopotamus amphibius). Advances in Ethology, 38:26. 38 26
G Wibbelt , M Heistermann , Jean-Michel Hatt , R Zingg
Proceedings of the International Conference on Diseases of Zoo and Wild Animals 1 307 -307
S Hvarnes , P Kretzschmar , C M Rolandsen , S Wenger
Proceedings of the International Conference on Diseases of Zoo and Wild Animals 1 81 -82
G Wibbelt , Jean-Michel Hatt , Laurie Bingaman Lackey , Dennis W H Müller
Proceedings of the International Conference on Diseases of Zoo and Wild Animals 1 47 -47
E. Davidian , B Wachter , I Heckmann , M Dehnhard
Functional Ecology 35 ( 3) 635 -649
Jan Geu Grootenhuis , M Lechner-Doll , H Hofer , GL Evink
Kenya Agricultural Research Institute
W Goymann , H Hofer
Zeitschrift für Säugetierkunde 65 138 -148
S Benhaiem , H Hofer , M Dehnhard , S Kramer-Schadt
28 -28
F Colmenares , H Hofer , ML East
Natural conflict resolution
H Hofer , MGL Mills
IUCN 64 -79
C Ludwig , B Wachter , S Silinski-Mehr , A Ganswindt
General and comparative endocrinology 180 15–23 -15–23
H Hofer , ML East
University of California Press 232 -234
DG Mpanduji , H Hofer , TB Hildebrandt , F Goeritz
Pachyderm 33 18 -31
H Hofer , MGL Mills
IUCN 39 -63
ML East , H Hofer
Ibis 128 ( 1) 103 -114
ML East , H Hofer
Bloomsbury 5 273 -281
PD Moehlman , VA Runyoro , H Hofer
IUCN 59 -69
R Hilborn , N Georgiadis , J Lazarus , JM Fryxell
University of Chicago Press 617 -637
N Zimmermann , R Zingg , Mariano Makara , Jean-Michel Hatt
Zimmermann, N; Zingg, R; Makara, Mariano; Hatt, Jean-Michel; Steinmetz, H W (2009). Computertomographic evaluation of the upper respiratory tract in orang-utans. (Pongo pygmaeus, Pongo abelii). In: Wibbelt, G; Kretzschmar, P; Hofer, H. Proceedings of the International Conference on Diseases of Zoo and Wild Animals. Berlin: Leibniz Institute for Zoo and Wildlife Research, 102-103. 1 102 -103