Verma, P S <br/><br/>
Environmental Biology 

 - New Delhi  S Chand & Company  1983 
 - viii+ 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social Sciences--General Stack--EnvironmentPollutionBotany
<br/><br/><label>Dewey Class. No.: </label>363.3  / VER-E