TY  - BOOK
AU  - Pengelley,Eric T.
ED  - American Association for the Advancement of Science (140th : 1974 : San Francisco, California)
TI  - Circannual clocks: annual biological rhythms 
SN  - 012550150
PY  - 1974///
CY  - New York
PB  - Academic Press
KW  - Biological rhythms
ER  -