Erdtman, Gunnar,    1897- <br/><br/>
Handbook of palynology, morphology, taxonomy, ecology, an introducti on to the study of pollen grains and spores /  
G. Erdtman 
 - New York :    Hafner Pub. Co.,    1969 
 - 486 p. :    ill. ;    25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Pollen -- Morphology<br/> Palynology
<br/><br/><label>Dewey Class. No.: </label>561.13 ERD