Chopra, R.N. <br/><br/>
Biology of bryophytes 
R.N. Chopra and, P.K.; Kumra. 
 - 3rd. ed.. 
 - New Delhi  Wiley Easter  1991 
 - xi,350p., ill.; 25cm. 
<br/><br/><label>ISBN: </label>085226240x. 
<br/><br/><label>Dewey Class. No.: </label>588  / C35B