青海高原牦牛角中微量元素的主成分分析

周利兵,刘先国

Principal Components Analysis of Trace Elements in Horn of Yaks in Qinghai Plateau

畜牧与饲料科学 . 2010, (5): 7 -7 . DOI: 10.12160/j.issn.1672-5190.2010.05.005