Varroa jacobsoni Oud. affecting honey bees :

Rotterdam : Published for the Commission of the European Communities by A. A. Balkema, 1983 . ix, 107 p., [10] p. of plates : , Organized by the Commission of the European Communities, Directorat-General Agriculture, Coordination of Agricultural Research. 9061915244

Place Hold on Varroa jacobsoni Oud. affecting honey bees :

Progress on pest management in field vegetables :

Rotterdam : Published for the Commission of the European Communities by A. A. Balkema, 1988 . x, 302 p. : 906191759X

Place Hold on Progress on pest management in field vegetables :

Matheson Library Search for 'Provider:A.A. Balkema, and location:MN and au:Cavalloro, R.'

Varroa jacobsoni Oud. affecting honey bees :

Progress on pest management in field vegetables :