Ibexes in an African environment : ecology and social system of the Walia Ibex in the Simen Mountains, Ethiopia
1981
Nievergelt, Bernhard |
Nievergelt, Bernhard
A survey on the flora and fauna of the Simen mountains national park, Ethiopia
1998
Nievergelt, Bernhard |
Good, Tatjana |
Güttinger, René |
Der Alpensteinbock
Sägesser, Hannes |
Nievergelt, Bernhard |
Der Alpensteinbock (Capra ibex L.) in seinem Lebensraum
Nievergelt, Bernhard |