Le Goc, J <br/><br/>
Le goc centripetal and centrifugal xylems in cycads 

 -  1914 
 -  10p. ; 25 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science<br/>1914
<br/><br/><label>Universal Decimal Class. No.: </label>11  / X22