Bertsch, Karl,  1878- <br/><br/>
Lehrbuch der Pollenanalyse. 

 - Stuttgart,  F. Enke,  1942. 
 - viii, 195 p.  illus., 42 plates.  23 cm. 
 - Handbücher der praktischen Vorgeschichtsforschung.  Bd. 3 .
<br/><br/>"Schrifttum": p. [95]-109. 
<br/><br/><label>LCCN: </label>af 48000545  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pollen, Fossil.
<br/><br/><label>LC Class. No.: </label>GN705  / .H3 bd. 3