TY  - BOOK
AU  -  Willis, K. J.
AU  - McElwain, J. C. 
TI  - Evolution of plants
SN  - 9780195676044
U1  - 581.38  W6791e 
PY  - 2002///
CY  - New Delhi
PB  - Oxford University Press
KW  - Plants life
KW  - Flowering plants
KW  - Plant fossil
ER  -