Hardev Singh Au. <br/><br/>
Embryology of gymnosperms 

 - Berlin  Gebruder borntraeger       1978 
<br/><br/><label>Standard No.: </label>70380 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Dewey Class. No.: </label>I9B,6, L8(RR)