Metal pollution assessment:   Through aquatic sediments 
/ National Institute of Hydrology 
 - Roorkee:   National Institute of Hydrology,   1997 
 - iii, 52p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Universal Decimal Class. No.: </label>627.157:504.054  / N7