Shull, G.H. <br/><br/>
Mutations, Variations and Relationships of the Oenotheras 

 - Washington   Carnegie institution of Washington   1907 
 - 92p.  :  ill  ;  25  cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science 
<br/><br/><label>Universal Decimal Class. No.: </label>13  / J33