Camus, Josephine M. <br/><br/>
A world of ferns /  
Josephine M. Camus, A. Clive Jermy, Barry A. Thomas. 
 - London :  Natural History Museums,  1991. 
<br/><br/>Bibliography 
<br/><br/><label>ISBN: </label>0565011200 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ferns
<br/><br/><label>LC Class. No.: </label>QK520  / Ca 1991