Effects of fluvalinate and amitraz on bee lice (Braula coeca Nitzsch) in honey bee (Apis mellifera L) colonies in Yugoslavia J. M. Kulincevic, T. E. Rinderer and V. J. MladjanApidologie, 22 1 (1991) 43-47DOI: https://doi.org/10.1051/apido:19910106