TY  - BOOK
AU  - Briggs, D.
AU  - Walters, S. M.
TI  - Plant variation and evolution
SN  - 521459184
U1  - 581.38 
PY  - 1997///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Botany - Variation
KW  - Plants - Evolution
KW  - Plant - Marphology
ER  -