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Music & Tradition: Essays on Asian & Other Musics Presented to Laurence Picken. Edited by D. R. Widdess and R. F. Wolpert. [Cambridge, London, New York, New Rochelle, Melbourne, Sydney: Cambridge University Press, 1981. 244 pp.] - Volume 90
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Rulan Chao Pian (1982) studied this question.
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