Oltmanns F <br/><br/>
Morphologie and biologie der algen 

 -  1904 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>57905 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Thallophyta
<br/><br/><label>Dewey Class. No.: </label>I22:2, 113D4.1-.2