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Professor of Behavioural Ecology and Apiculture (1982-2017)
School of Environmental Sciences, University of Guelph
Guelph, Ontario, Canada N1G 2W1
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Adjunct Researcher, Institute of Bee Health
Vetsuisse Faculty, University of Bern and Agroscope
Schwarzenburgstrasse 161, CH-3097 Bern, Switzerland
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