TY  - BOOK
AU  - Ferguson, I. K.
AU  - Ferguson, I. K. Muller, J.
TI  - Evolutionary Significanece Of Exine: Papers Presented At Inter, Symposium
U1  - I:8z7 
PY  - 1976///
CY  - London
PB  - Academic Press Inc.
KW  - I:8z7
ER  -