Acoustic effects of oil production activities on bowhead and white whales visible during spring migration near Pt. Barrow, Alaska--1991 and 1994 phases : sound propagation and whale responses to playbacks of icebreaker noise
by W.J. Richardson ... [and others] ; assisted by R. Blaylock, R. Elliott, and B. Würsig from LGL Ltd., Environmental Research Associates and Greeneridge Sciences Inc. for U.S. Minerals Management Service, Procurement Operations