Directory of Institutions in the ESCAP region active in environmental quality monitoring,compiled by national Environmental Engineering Research Institute,Nagpur,India 

 -  1978 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Environmental quality monitaring-Institutions-Dir<br/>Environmental engineering-Institutions-Directories
<br/><br/><label>Dewey Class. No.: </label>620.8025  / D46