Fern flora of South India  taxonomic revision of polypodiod terns 
Santhosh Nampy and, P.V.; Madhusoodanan. 
 - Delhi  Daya Publishing  1998 
 - ix, 141p., ill.; 23cm. 
<br/><br/><label>ISBN: </label>81-7035-179-0. 
<br/><br/><label>Dewey Class. No.: </label>581.9548  / N19F