On the Cetacea which have been observed in the seas surrounding the British Islands
Gray, J.E. (1864). On the Cetacea which have been observed in the seas surrounding the British Islands. Proc. Zool. Soc. Lond. 1864: 195-248
In: Proceedings of the Zoological Society of London. Academic Press: London. ISSN 0370-2774, more
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