REFERENCES (CONTINUED) 



37. Ridgway, SH and PL Joyce, Studies on Seal Brain by Radio-telemetry, In: Biology of 

 the Seal, K Ronald and AW Mansfield, eds, p 81-91, 1975. 



38. Parvulescu, A, The Acoustics of Small Tanks, In: Marine Bioacoustics, WN Tauolga, ed, 

 p 7-13, Pergammon Press, 1967. 



39. Naval Undersea Center TP 547, Acoustic Source Levels of Four Species of Small Whales, 

 by JF Fish and CW Turl, p 14, 1976. 



40. Au, WWL, RW Floyd, RH Penner and AE Murchinson, Measurements of Echolocation 

 Signals of the Bottlenose Dolphin, Tursiops truncatus, in Open Water, J Acous Soc 

 Amer. 56. p 1280-1290, 1974. 



41. Ref40. p2. 



42. Schevill, WE and WA Watkins, Pulsed Sounds of the Porpoise Lagenorhyncus australis, 

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43. Schevill. WE and WA Watkins, Sound Structure and Directionality in Orcinus (Killer 

 Whale), Zoologica, 51, p 71-76, 1966. 



44. Watkins, WA and WE Schevill, Listening to Hawaiian Spinner Porpoises, Stenella of 

 longirostris, with a Three-Dimensional Hydrophone Array, J Mamm, 55, p 319-328, 

 1974. 



45. Schevill. WE, WA Watkins and C Ray, Click Structure in the Porpoise, Phonoena 

 phocoena. J Mamm. 50, p 721-728. 1969. 



46. Mohl. B and S Andersen. Echolocation: High-Frequency Components in the Click of 

 the Harbour Porpoise (Phocoena ph L), J Acous Soc Amer, 54. p 1368-1372, 1973. 



47. Corcell. AT and M Green. Investigations of Impulsive Deepsea Noise Resembling 

 Sounds Produced by a Whale, J Acous Soc Amer, 44, p 483-487, 1968. 



48. Dunn, JL. Airborne Measurements of the Acoustic Characteristics of a Sperm Whale, 

 J Acous Soc Amer. 46. p 1052-1054. 1969. 



49. Levenson. C. Source Level and Bistatic Target Strength of the Sperm Whale (Physter 

 catodon) Measured from an Oceanographic Aircraft, J Acous Soc Amer, 55. p 1 100- 

 1103. 1974. 



50. Levenson, C. Characteristic of Sounds Produced by Humpback Whales (Megaptem 

 novaeangliae). NAVOCEAN Technical Note 7700-6-72, p 1-10. 1972. 



51. Cummings, WC, JF Fish and PO Thompson, Sound Production and Other Behavior 

 of Southern Right Whales, Eubalaena glacialis. Trans San Diego Soc Nat Hist, 17, 



p 1-13, 1972. 



52. Cummings, WC, PO Thompson and R Cook, Underwater Sounds of Migrating Gray 

 Whales, Eschrichtius glaiiciis (Cope), J Acous Soc Amer, 44, p 1278-1281, 1968. 



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