The northwest European pollen flora / 
W. Punt (editor). 
 -- Amsterdam [etc.] :   Elsevier,   1976-- 
 - v. -- 
<br/><br/>Contiene : Vol. I, II, III, IV, V, VI 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Polen
<br/><br/><label>Universal Decimal Class. No.: </label>561