TY  - BOOK
ED  - National Wildlife Federation
ED  - National Science Fundation 
ED  - Leighton Taylor & Associates
TI  - Teaching Science with Whales: A guide for Teachers, Students and Parents 
U1  - 507.8 23
PY  - 1996///]
CY  - Estados Unidos
PB  - Leighton Taylor and Associates, St. Helena, California
KW  - Whales
KW  - Ballenas
ER  -