TY - BOOK AU - Sarag,Farid Shawky Ahmed TI - Study on the varroatosis"varroa jacobsoni oud" PY - 1999/// KW - Varroa disease N1 - Thesis (Ph.D.)--Tanta University,1999; Includes bibliographical references (leaves 109-127); Microfiche; Cairo, Egypt; ASUNET; 3 microfiches:negative ER -