Haikal, Ibrahim Hassan. <br/><br/>
Ecological and biological studies on mites occurring on some deciduous fruit trees  [microform]/ 
 دراسات بيئية و حيوية على أكاروسات بعض أشجار الفاكهة متساقطة الاوراق. 
by Ibrahim Hassan Haikal. 
 -  1977. 
 - 109, 8 leaves :  ill. ;  30 cm. 
<br/><br/>Thesis(Ph.D.)--AL-Azhar University, 1977. 
<br/><br/>Includes bibliographical references (leaves 97-109). 
<br/><br/><br/>Microfiche. <br/>Cario, Egypt : <br/>ASUNET, <br/>3 microfihes : negative. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fruit--Diseases and pests.<br/>Plant mites<br/>Mites--Ecology