Saxena, J. <br/><br/>
New approach to the preservation of contaminants in water samples/ 
by J. Saxena 
 - Washington :  United States Government Printing Office,  1979 
 - Various pagings ;  30 cm. 
<br/><br/> Cover title 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Preservation<br/>Restoration
<br/><br/><label>Dewey Class. No.: </label>620.0046