China's postdoctors' contributions to the 30th International Geological Congress, 1996: title page (Chen Yanjing) Chinese CIP (Chen Yanjing) 1st preliminary page (in the Geology Department Peking University)

Orogenic-type polymetallic mineralization associated with multistage orogenesis in northern North China Plate, 2021: title page (Yanjing Chen) title page verso (Yanjing Chen, School of Earth and Space Sciences, Peking University, Beijing, China)

Beijing University, School of Earth and Space Sciences website, viewed January 28, 2022: link to Faculty page ((陈衍景)Yanjing Chen, Professor; he received his B.S., M.S. and Ph. D from Department of Earth Sciences, Nanjing University, China in 1984,1987 and 1990 respectively) https://sess.pku.edu.cn/szll/zzjzg/kwysykcyjs/269607.htm