Gessner Fritz <br/><br/>
Hydrobotanik 
Gessner Fritz 
 - Berlin  Veb Deutscher Verlag Der Wissenschaften       1955 
 - 517p.  cm. 
 - Hochschulbiicher fur biologie; 3 .
<br/><br/><label>Standard No.: </label>51820 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany
<br/><br/><label>Dewey Class. No.: </label>I955:12, 113J5.1