Tolba, Mostafa Kamal. <br/><br/>
Earth matters  [[Book] /] 
Mostafa Kamal Tolba ; selected and edited by Robert Lamb and Patrick Allen. 
 - Nairobi :  United Nations Environment Programme,  1983. 
 - viii, 163 p. ;  24 cm. 
<br/><br/> Includes index.  On cover: Environmental challenges for the 1980s. 
<br/><br/><label>ISBN: </label>9280710745  9280710745  
<br/><br/><label>LCCN: </label>85980587 //r912 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental protection.<br/>Human ecology.
<br/><br/><label>LC Class. No.: </label>TD170  / .T642 
<br/><br/><label>Dewey Class. No.: </label>333.72 333.72 333.72 
<br/><br/><label>National Agricultural Library Call No.: </label>TD170.3.T65 
<br/><br/><label>National Library of Medicine Call No.: </label> /  T E