. . "Ji shu shi yan jiu Zhong guo." . . "技術史 研究 中國" . "History" . "He Bingyu Zhongguo ke ji shi lun ji = Science and culture in ancient China : selected works of Ho Peng Yoke" . . . . "Science and Culture in Ancient China" . "何丙郁中囯科技史论集 = Science and culture in ancient China : selected works of Ho Peng Yoke" . . "Science and culture in ancient China" . . . . . "何丙郁中囯科技史论集 Science and culture in ancient China : selected works of Ho Peng Yoke" . . "He Bingyu Zhongguo ke ji shi lun ji Science and culture in ancient China : selected works of Ho Peng Yoke" . "何丙郁中国科技史论集" . . "He bing yu zhong guo ke ji shi lun ji" . . . .