Gurucharan Singh <br/><br/>
Advances in environmental biopollution 
chief editor A.C. Shukla .. [et al]. 
 - New Delhi  A.P.S. Publishing  1999 
 - xiii, 536p., ill.; 24cm. 
<br/><br/><label>ISBN: </label>81-7648-098-3. 
<br/><br/><label>Dewey Class. No.: </label>363.731  / A23A