Directory of Institutions in the Escap Region Active in Environmental Quality Monitoring 

 - National Environmental Engineering Research Institute   India  1978 
 - 300p. 
<br/><br/><label>Nat. Bib. No.: </label>4826 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth Sciences & Geology 
<br/><br/><label>Universal Decimal Class. No.: </label>551.588  / DIR