Specifications for instruments/equipment required for biomonitoring of inland surface waters 
by Central Pollution Control Board 
 - Delhi  Central Pollution Control Board  1991 
 - 46p. 
 - Laboratory analytical techniques series: lats/7/1991-92 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water pollution - standards<br/>Pollution
<br/><br/><label>Dewey Class. No.: </label>O91 S31