Yali Xue, Tatiana Zerjal, Weidong Bao, Suling Zhu, Si-Keun Lim, Qunfang Shu, Jiujin Xu, Ruofu Du, Songbin Fu, Pu Li, Huanming Yang, and Chris Tyler-Smith. Recent Spread of a Y-Chromosomal Lineage in Northern China and Mongolia // Am. J. Hum. Genet. 2005 December; 77(6): 1112–1116.
original at http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1285168/pdf/AJHGv77p1112.pdf

download (pdf, 475 kb).