TY  - BOOK
TI  - The World of Science: actions and interactions  
U1  - 591.7 19
PY  - 1994///
CY  - New Delhi
PB  - S. Chand and Co. Ltd.
KW  - Animals
KW  - Spines
KW  - Ecology
N1  - Includes index
N2  - Environment Management
ER  -