Encyclopedia of plant physiology 
edited by W. Ruhland 
 - Berlin  Springer-Verlag  1955 
 - v. ill. 26cm 
<br/><br/> Contributions in German or English; added t.p.: Encyclopedia of plant physiology 
<br/><br/><br/>engger 
<br/><br/><label>LCCN: </label>56-3135 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant physiology--Collected works