TY  - BOOK
AU  - Cloudsley-Thompson,J.L.
TI  - Biological clocks: : their functions in nature
AV  - QH527.C6 
PY  - 1980///
CY  - London
PB  - Weidenfeld and Nicolson
KW  - Biological rythms
N1  - Includes bibliographical references
ER  -