DJVU PDF Rose, P. 1982, "Acoustic Characteristics of the Shanghai-Zhenhai Syllable Types", in Papers in Southeast Asian Linguistics No.8, Tonation, ed. D. Bradley, vol. 8, pp. 1-54. Pacific Linguistics, the Australian National University. cite.
DJVU PDF Vũ Than Phúóng. 1982, "Phonetic Properties of Vietnamese Tones Across Dialects", in Papers in Southeast Asian Linguistics No.8, Tonation, ed. D. Bradley, vol. 8, pp. 55-76. Pacific Linguistics, the Australian National University. cite.