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Comparison of diagnostic methods for detection of low infestation levels ofVarroa jacobsoniin honey-bee (Apis mellifera) colonies
Ingemar Fries, Aasne Aarhus, Henrik Hansen, Seppo KorpelaVolume:
10
Language:
english
Pages:
9
DOI:
10.1007/bf01198656
Date:
February, 1991
File:
PDF, 567 KB
english, 1991