Jessen Knud Ed. <br/><br/>
Studies in vegetational history in honour of Knud Jessen 

 -  1954 
 - 308p.  cm. 
 - Geological survey of Denmark II; 80 .
<br/><br/><label>Standard No.: </label>60128 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany collections
<br/><br/><label>Dewey Class. No.: </label>Iz7, J4