TY  - BOOK
AU  - Erdtman, G.
TI  - An introduction to pollen analysis
T2  - A New Series of Plant Science Books; v.12
U1  - 581.3 J4 
PY  - 1954///
CY  - Waltham, Mass (USA)
PB  - Chronica Botanica
KW  - Pollen-analysis,Embryology,Pollen-studies,Pollen
ER  -