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Aquatic Mammals, Volume 5(3), 57-66
Ovarian appearances in captive delphinids
Authors: Harrison, R. J., & McBrearty, D. A.

Aquatic Mammals, Volume 5(3), 67-68
Fibre optic gastroscopy in a grey seal, Halichoerus grypus
Authors: Greenwood, A. G., & Wild, D.

Aquatic Mammals, Volume 5(3), 69-71
Ultraviolet sterilization of water in a pool for Tonina (Inia geoffrensis): A preliminary report
Author: Gewalt, W.

Aquatic Mammals, Volume 5(3), 72-77
Observational learning in the California sea lion (Zalophus californianus)
Author: Adler, L. L., & Adler, H. E.

Aquatic Mammals, Volume 5(3), 78-86
The fate of old bottle-nosed dolphins, Tursiops truncatus, in nature as revealed by the condition of their skeletons
Author: de Smet, W. M. A.

Aquatic Mammals, Volume 5(3), 87
Will the Mediterranean monk seal survive?
Author: Marchessaux, D.