https://catalogue-scientifique.canada.ca/record=3530232~S6*frc
Rechercher Chung-kuo ti chih kuang chan hsin hsi yen chiu yuan; Rechercher Ti chih chu pan she; Rechercher Zhongguo di zhi ke xue yuan. Kuang chuang di zhi yan jiu suo
Geological Publishing House, 1992
Carte