Tolba, Mostafa K. <br/><br/>
Saving our planet  challenges and hopes 
Mostafa K. Tolba 
 - London  Chapman & Hall  1992 
 - 287 page :   illustrations ;   22 cm. 
<br/><br/><label>ISBN: </label>0412473704 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Man--Influence on nature