Ruhland, Wilhelm,    1878 - <br/><br/>
Handbuch der Pflanzenphysiologie,hrgs.von. W.Ruhland in Gemeinschaft mit E. Ashby /    
Wilhelm  Ruhland 
 - Berlin :   Springer,   1955 - 
 - v.:    ill. ;    26 cm. 
<br/><br/>  Contributions in German or English; added t.p.: Encyclopedia of plan t physiology 
<br/><br/>Includes bibliographies 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant physiology--------
<br/><br/><label>Dewey Class. No.: </label>581.1 RUH