TY  - BOOK
AU  - Hesse, M.
AU  - Ehrendorfer, F.
TI  - Plant Systematics and Evolution Supplementum 5 : Morphology, Development and Systematic Relaevance of Pollen and Spores
SN  - 3211821821
PY  - 1990///
CY  - Wien
PB  - Springer - Verlag.
ER  -