TY  - BOOK
AU  - Symposium on stratiphical palynology. Luknow, December,1971.
TI  - Proceedings
T2  - Birbal Sahni Institute of Paleobotany,special publication; no.3
U1  - 560.17 
PY  - 1974///
CY  - Luknow
PB  - Birbal Sahni Institute of Paleobotany
ER  -