Bunning Erwin  <br/><br/>
A head of his time  : wilhelm preffer early advances in plant biology 

 - Ottawa :  Carleton University Press,  1989. 
 - xii,99p.   ill.  22cm. 
<br/><br/><label>ISBN: </label>0-88629-103-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botanist-Germany-biography
<br/><br/><label>LC Class. No.: </label>QK31.P45B8313