David, B Vasantharaj; Kumaraswami, T <br/><br/>
Elements of economic entomology 

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 - Popular Book Depot, Madras  1975 
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<br/><br/><label>ISBN: </label>  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Insects (Entomology)
<br/><br/><label>Dewey Class. No.: </label>595.7  DAV-E