World environmental science series-1 :  Environmental science health, education, law / 
edited by R. K . Sinha. 
 - New delhi :  Commonwealth publishers,  1994. 
 - vi, 141 p. :  ill. ;  18 cm. 
<br/><br/><label>ISBN: </label>8171693059 
<br/><br/><label>Subjects--Topical Terms: </label><br/> environmental science.
<br/><br/><label>Dewey Class. No.: </label>333.70616  / ENV 1994