Bhatnagar s. p. <br/><br/>
The embryology of angiosperms 

 - Delhi  Vikas  1974 
<br/><br/><label>ISBN: </label>0-7069-0953-4 
<br/><br/><label>LC Class. No.: </label>581.33/BHA 
<br/><br/><label>Dewey Class. No.: </label>581.33/BHA