cldf-datasets/normansinitic: Structural and lexical data for the paper by Norman (2013) on Chinese dialect classification

Original source of the data: Norman, J. (2003): Chinese dialects. Phonology. In: Thurgood, G. & LaPolla, R.: The Sino-Tibetan Languages. Routledge: London and New York. 72-83.数据原始来源：诺曼·J（Norman, J.）2003年：《汉语方言》之音韵学（Phonology）章节，收录于瑟古德（Thurgood, G.）与拉波拉（LaPolla, R.）主编的《汉藏语系语言》（The Sino-Tibetan Languages），劳特利奇（Routledge）出版社，伦敦与纽约，第72-83页。