The German bee monitoring project: a long term study to understand periodically high winter losses of honey bee colonies
Elke Genersch, Werner von der Ohe, H. H. Kaatz, Annette Schroeder, Christoph Otten, Ralph Büchler, Stefan Berg, W. Ritter, Werner Mühlen, Sebastian Gisder, Marina D. Meixner, G. Liebig, Peter Rosenkranz
Apidologie, 2010
Abstract
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