Organized by:Chinese Academy of Sciences
Sponsored by:Institute of Vertebrate Paleontology and Paleoanthropology
Published:China Science Publishing & Media Ltd
Xie Fei, Cheng Shengquan. Report on the excavation of microliths site at Youfang, Yangyuan County, Hebei Province[J]. Acta Anthropologica Sinica, 1989, 8(01): 59-68、104.