CHARACTERISTICS AND SIGNIFICANCE OF EXSUDATINITES IN BROWN COAL OF BAISE BASIN
Xiong Bo, Zhong Ningning, Wang Tieguan, Huang Guanghui, Zhao Shiqin, Lei Jiajin, Long Wangyin
Oil & Gas Geology . 1989, (2): 154 -157 .  DOI: 10.11743/ogg19890208