TY  - GEN
AU  - Dharmarathnam, M.
AU  - Kotagama, S.W. 
AU  -  Hewavisenthi, S.
TI  - Zoology animal behaviour
U1  - 591.5 
PY  - 1994///
CY  - Nugegoda
PB  - Open University
KW  - ZOOLOGY
ER  -