@PROCEEDINGS {DRUKKER:1991, title = {Aerial release of acarine biological control agents on carrier materials}, author = {Drukker, B. and Yaninek, J. and Coles, R. N. and Herren, H. R. }, booktitle = {Proceedings, Experimental and Applied Entomology, Netherlands Entomological Society, 2:196-201}, year = {1991}, volume = {2}, publisher = {Netherlands Entomological Society}, }