Encyclopaedia of environmental sciences:   Environmental agricultural pollution 

 - New Delhi:     Akashdeep Publishing House,   1992 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Subjects--Index Terms: </label>Chemistry 
<br/><br/><label>Universal Decimal Class. No.: </label>R 502.4/.6+628.5(031)