TY  - BOOK
AU  - Symposium held at the Geology Department
TI  - Sporopollenin
T2  - Proceedings of the Symposium held at the Geology Department
PY  - 1971///
CY  - London - INGL
PB  - Academic Press
KW  - Geologia
KW  - Simposia
KW  - Congresos
ER  -