TY  - BOOK
AU  - Stebbins,G.Ledyard (George Ledyard),1906-.
TI  - Variation and evolution in plants
PY  - 1950///
CY  - Calcutta
PB  - Oxford & IBH Publishing Co.
KW  - Plants
KW  - Evolution
KW  - Botany
KW  - Variation
N1  - 'Works cited': p. 563-622
ER  -