Zhongguo Linzi wen wu kao gu yao gan ying xiang tu ji = - Li, Chuanrong; Pingel, Volker, 1941-2005; Song, Baoquan, 1961- (Shandong Sheng di tu chu ban she, 2000)
"This atlas-project has been developed with methodological and technical support of the Institute of Pre- and Protohistory of the Ruhr-University Bochum Germany, sponsored by the Volkswagen-Foundation – [p. IV].