Awadallah, Yasser Abo Bakr. <br/><br/>
Toxicological and environmental studies on some terrestrial gastropods  [microform]/ 
 دراسات توكسيكولوجية و بيئية على بعض البطنقدميات الأرضية. 
Yasser Abo Bakr Awadallah. 
 -  1997. 
 - 177,6Leaves:  ill.;  30 cm. 
<br/><br/>Thesis (M.S.)--Alexandria University,1997. 
<br/><br/>Includes bibliographical references (leaves 154-177) 
<br/><br/><br/>Microfiche. <br/>Cairo,Egypt: <br/>ASUNET, <br/>4 microfiches:negative. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Snails.<br/>Snails--Biological control.