Johri, R. M. <br/><br/>
A textbook of gymnosperm  
/ R.M Johri, Sneh Lata, Kavita Tyagi 
 - New Delhi :  Wisdom press,  2009-10 
 - 284 p; 
<br/><br/>1.	Classification of gymnosperms<br/>2.	Cycadopsida<br/>3.	Bennettitales<br/>4.	Pentoxylales<br/>5.	Ginkgoales<br/>6.	Coniferophyta and coniferales<br/>7.	Gnetopsida <br/>8.	Embryogeny<br/>9.	Origin and hetrospory<br/>10.	Gymnosperms of past time <br/>11.	Birbal Sahni<br/> 
<br/><br/><label>ISBN: </label>9788190863568 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gymnosperms
<br/><br/><label>Dewey Class. No.: </label>585.012  / J663