TY - BOOK AU - APIMONDIA TI - Biological aspects of nosema disease : Symposium of bee biology and pathology merelbeke-belgium U1 - 638.106 PY - 1977/// CY - Bucharest PB - Apimondia Publishing House N1 - APIMONDIA: Biological aspects of nosema disease : Symposium of bee biology and pathology merelbeke-belgium. Bucharest. Apimondia Publishing House, 1977.--(638.106API) ER -