TY - BOOK AU - Morsy,Mohamed Elsayed Elsayed TI - Studies on varroatosis on honeybee(Apis mellifera L.) PY - 1998/// KW - Varroa disease KW - Honeybee KW - Diseases N1 - Thesis (M.S.)--Alexandria University,1998; Includes bibliographical references (leaves 86-95); Microfiche; Cairo,Egypt; ASUNET; 2 microfiches:negative ER -