TY  - BOOK
AU  - Beazley, Mitchell
TI  - Nature's great events
SN  - 9781845334567
U1  - R 508 B39n 
PY  - 2009///
CY  - Great Britain
PB  - Octopus Publishing
KW  - Animal migration
KW  - Animal population
KW  - biological rhythms
KW  - Natural history
ER  -