TY  - BOOK
AU  - Kellogg,W.N.
TI  - Porpoises and sonar
AV  - QL737.C4 K4
U1  - 599.53 
PY  - 1961///]
CY  - [Chicago]
PB  - University of Chicago Press
KW  - Porpoises
KW  - Behavior
KW  - Local
KW  - Mammals
N1  - Bibliography: p. 159-168
ER  -