Trivedy, R.K. Goel, P.K. Trisal, C.L. <br/><br/>
Practical methods in ecology and environmental science 

 - Karad  Environmental  1987 
 - 340 p.  22 cm.  HB 
 - Series in methodology .
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Ecology<br/>Environmental science<br/>Practical methodology
<br/><br/><label>Dewey Class. No.: </label>577.028  / TRI