TY  - BOOK
ED  - Conference on Photoperiodism 
TI  - Photoperiodism and related phenomena in plants and animals / 
T2  - American Association for the Advancement of Science ; 
U1  - 574.52 
PY  - 1959///
CY  - Washington, D.C. : 
PB  - American Association for the Advancement of Science, 
KW  - Fotoperiodismo
ER  -