by Kurata, Atsushi, Higuchi, Yukio
Published in Journal of the Yamashina Institute for Ornithology (30.12.1972)

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Year of Publication 31.07.1998

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by KURIHARA HIDEOMI, HIGUCHI YUKIO, ABE HIROTSUGU
Year of Publication 17.12.1996

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Year of Publication 28.02.2002

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Year of Publication 15.02.2002