TY  - BOOK
AU  - Erdtman,G., Sorsa, P.
AU  - x
TI  - Pollen and spore morphology/ Plant taxonomy: x
SN  - x
U1  - 581.4/REP 
PY  - 1971///
CY  - Stockholm
PB  - Almqvist & Wiksell
KW  - Anatomy
N1  - x
ER  -