Trivedi, 	P R <br/><br/>
Encyclopaedia of environment, pollution, planning and conservation 
	P R Trivedi 
 - New Delhi :   A.P.H. Pub. Co.,   2000. 
 - vol.  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopaedia of environment,
<br/><br/><label>Dewey Class. No.: </label>333.703  / TRE 2000