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by Commission of the European Communities.; Cavalloro, R.;
Year: 1983., Callno: 632.752.2 APH
Book
by Commission of the European Communities. EC Experts' Group on Varroa Jacobsoni. Meeting (1983 : Wageningen); Cavalloro, R.; Commission of the European Communities.;
Year: 1983., Callno: 638.157:595.42 VAR
Book
by Commission of the European Communities.; Cavalloro, R.; International Organization for Biological and Integrated Control of Noxious Animals and Plants. West Palearctic Regional Section.;
Year: 1986., Callno: 632.772.4 FRU
Book