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

 - New Delhi  S. Chand  1974 
 - 294.3-25 
<br/><br/><label>ISBN: </label>8121924421 
<br/><br/><label>Dewey Class. No.: </label>571.602