用聚类分析方法对土家族和瑶族人发中7种元素综合指标的比较研究
杨若明,王振英
The comparative research of elemental concentrations in the human hair from the Tujia nation and Yao nation by the use of cluster analysis
Yang Ruoming, Wang Zhenying
人类学学报 . 1999, (02): 125 -132 .