@misc{XiangHofreiterZhao2015,
  author    = {Xiang, Hai and Hofreiter, Michael and Zhao, Xingbo},
  title     = {Reply to Peng et al.: Archaeological contexts should not be ignored for early chicken domestication},
  series = {Proceedings of the National Academy of Sciences of the United States of America},
  volume    = {112},
  journal   = {Proceedings of the National Academy of Sciences of the United States of America},
  number    = {16},
  publisher = {National Acad. of Sciences},
  address   = {Washington},
  issn      = {0027-8424},
  doi       = {10.1073/pnas.1502207112},
  pages     = {E1972 -- E1973},
  year      = {2015},
  language  = {en}
}
@misc{XiangGaoYuetal.2015,
  author    = {Xiang, Hai and Gao, Jianqiang and Yu, Baoquan and Hofreiter, Michael and Zhao, Xingbo},
  title     = {Reply to Peters et al.: Further discussions confirm early Holocene chicken domestication in northern China},
  series = {Proceedings of the National Academy of Sciences of the United States of America},
  volume    = {112},
  journal   = {Proceedings of the National Academy of Sciences of the United States of America},
  number    = {19},
  publisher = {National Acad. of Sciences},
  address   = {Washington},
  issn      = {0027-8424},
  doi       = {10.1073/pnas.1503956112},
  pages     = {E2416 -- E2416},
  year      = {2015},
  language  = {en}
}