Whales, dolphins, and porpoises of the eastern North Pacific and adjacent Arctic waters : a guide to their identification /
Leatherwood, Stephen.
Hobbs, Larry J.
New York : Dover Publications,
c1988.
"Corrected and slightly revised republication of the work originally published by the National Marine Fisheries Service"--CIP t.p. verso.
Bibliography: p.
Cetacea
Cetacea
Mammals
Mammals