Singh, Hardev <br/><br/>
Embroylogy of Gymnosperms  Harder Singh. 

 - berlin  Gebruder Borntraeger  1978 
 - xii, 302p., ill. 28cm 
 - (Encyclopedia of plants anatomy). .
<br/><br/><label>ISBN: </label>3443-140114. 
<br/><br/><label>Dewey Class. No.: </label>581.4  / H28E