Annie Ragland; Kumaresan, V <br/><br/>
Pteridophytes, gymnosperms and palaeobotany / 
Annie Ragland; Kumaresan, V 
 -  Saras Publication, Nagercoil,  2011 
 - p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plants; Botany
<br/><br/><label>Dewey Class. No.: </label>580 ANN-P