TY  - BOOK
AU  - Stebbins,G.Ledyard
TI  - Variation and evolution in plants
U1  - 581.15 
PY  - 1964///
CY  - Calcutta
PB  - Oxford Book
KW  - Plants
KW  - Evolution
KW  - Variation
N1  - Bibliography: p. 563-622
ER  -