TY  - BOOK
AU  - Vince-Prue, Daphne,
TI  - Photoperiodism in Plants
SN  - 0070840482
U1  - 581 
PY  - 1975///
CY  - New York
PB  - McGraw-Hill Book Co.
KW  - Photoperiodism
KW  - Specific topics in natural history
ER  -