TY  - BOOK
AU  - Erdtman, G.
TI  - Pollen morphology and plant taxonomy (Angiosperms can introduction to palynology)
SN  -  90-04-08122-4.
U1  - 583.04 
PY  - 1986///
CY  - Leiden
PB  - E.J. Brill
ER  -