5:Yang Qi,Li Baofang,Li Zhen,Fu Zeming,Lei Shitai,the Depositional Models and Coalforming Characteristics of the Late Paleozoic Coal Measures in Yuxian,Hunan,Compte Rendu du XIIC,vol3,Madrid,1985。
12:Yang Qi,Pan Zhigui,Weng Chengmin,Su Yuchun and Wang Zhenping,Metamorphic Evolution of Late Paleozoic Coal in North China with Prediction of Coal Properties,Onzieme Congres International de Stratigraphic et de Geologic du Carbonifire,Beijing,1987,Conpte Rendu,Tome 5,Nanjing China,1989。
18:Yang Qi,Wu Chonglong,Tang Dazhen,Kang Xidong and Liu Dameng,Multistage Metamorphic Evolution and Superimposed Metamorphism through Multithermo Sources in Chinese Coal,Geology of Fossil Fuels Coal,edited by Yang Qi,Proceeding Volume 18 Part B of the 30th International Geological Congress,VSP,The Netherlands,1997。
19:Yang Qi,Editor of “Geology of Fossil Fuels Coal”,Proceeding Volume 18 Part B of 30th International Geological Congress,VSP,The Netherlands,1997。
20:Yang Qi,Coal Resources of China,Bulletin of the Chinese Academy of Sciences,1998,12(4)。