TY  - BOOK
AU  - Briggs,D.(David),1936
AU  - Walters,S.M.
TI  - Plant variation and evolution
SN  - 0521276659
U1  - 581.15 
PY  - 1984///
CY  - Cambridge
PB  - Cambridge University press
KW  - Plant diversity
KW  - Plants --Evolution
KW  - Plants --Variation
N1  - Includes index. Bibliography: p. 366-399
ER  -