by G. Erdtman
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Pollen morphology and plant taxonomy
Pollen and spore morphology/plant taxono...
An introduction to pollen analysis
Palynology
Handbook of palynology
An introduction to a Scandinavian pollen...
Paekche ŭi sŏnggwak kwa kŏnchʻuk
Pollen grains
Textbook of pollen analysis
The microbiology of the atmosphere
Travels of airborne pollen