Biological indicators and indices of environmental pollution / 
edited by A. R. Zafar ... [et al.] 
 - New Delhi :  aCentral Board for the Prevention and Control of Water Pollution,  1982 
 - 207 p. :  ill. ;  28 cm. 
 - Programme Objective series probes 6. 1980-81 Programme objective series ;  6/1980-81. .
<br/><br/> Government publication 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental protection--Social aspects--India<br/>Environmental policy--Social aspects--India
<br/><br/><label>Dewey Class. No.: </label>363.739063(54)