Gad El-Rub, Mohamed Lotefey. <br/><br/>
Ecological studies on apple mites and their control in Upper Egypt  [microform] / 
 دراسات ايكولوجية على اكاروساتالتفاح ومقاومتهم في الوجة القبلي. 
by Mohamed Lotefey Gad El-Rub. 
 -  1981 
 - 140 leaves :  ill. ;  30 cm. 
<br/><br/>Thesis (M.S.)--Assiut University, 1981. 
<br/><br/>Includes bibliographical reference (leaves 130-140). 
<br/><br/><br/>Microfiche. <br/>Cairo, Egypt : <br/>ASUNET, <br/>3 microfiches : negative. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Apples--Diseases and pests.<br/>Plant mites as carriers of disease.<br/>Mites--Control.