TY  - BOOK
AU  - Hillman,William S.
TI  - Photoperiodism in plants and animals
SN  - 0892783079
PY  - 1979///
CY  - Burlington
PB  - Carolina Biological Supply Co.
KW  - Plant photoperiodism
KW  - Plants, Effect of temperature on
KW  - Photoperiodism
ER  -