Verma, P. S and Agarwal, V. K. <br/><br/>
Cell Biology, Genetics, Molecular Biology, Evolution and Ecology 

 - New Delhi  S.Chand & Company Ltd.  1974 
 - 294 
<br/><br/><label>ISBN: </label>9788121924429 
<br/><br/><label>Publisher. No.: </label> Gangarams Book Bureau 
<br/><br/><label>Subjects--Personal Names: </label> Zoology 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zoology