The worldwide value and extent of whale watching 1995 /
Hoyt, Erich.
Whale and Dolphin Conservation Society.
Bath, Avon, U.K. : Whale and Dolphin Conservation Society,
c1995.
Cover title.
"Publication date: 25 May 1995"--P. [2] of cover.
"A special report from the Whale and Dolphin Conservation Society."
Includes bibliographical references (p. 6).
Whale watching industry.
Whale watching
Ecotourism.