Doss,Safwat Azmi. <br/><br/>
Biological and Ecological studies of the cotton leafworm,spodoptera littoralis(Boisd.) and extent of its damage on some vegetable crops  [microform]/ 
 دراسات بيولوجية و ايكولوجية على دودة ورق القطن و الخسارة التى تسببها لبعض محاصيل الخضر. 
Safwat Azmi Doss. 
 -  1975. 
 - 157,5Leaves:  ill.;  30 cm. 
<br/><br/>Thesis (Ph.D.)--Ain-shams University,1975. 
<br/><br/>Includes bibliographical references (leaves 154-157) 
<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/>Cotton leafworm.<br/>Spodoptera littoralis.<br/>Cotton--Diseases and pests.<br/>Vegetables--Diseases and pests.