Karl Bertsch <br/><br/>
Geschichte unseres kulturpflanzen 
Karl Bertsch; Bertsch Franz 
 -  1949 
 - 275p.  cm. 
<br/><br/><label>Standard No.: </label>51393 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>J:1, 113H9