Tilak, S.T.. <br/><br/>
Environmental ecology and aerobiology /  
S.T. Tilak. 
 - New Delhi :   Today and Tomorrows Printers and Publishers ,   1989. 
 - viii,222p :   ills,charts ;   24cm .  
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<br/><br/><label>ISBN: </label>8170193389  Rs. 325.00 
<br/><br/><label>Subjects--Index Terms: </label>ENVIRONMENT 
<br/><br/><label>Dewey Class. No.: </label>363.73  / TIL/E