DISTRIBUTION OF SOME DITERPENOID HYDROCARBONS IN HUANGXIAN BROWN COAL AND THEIR THERMAL EVOLUTION
Hou Dujie, Wang Peirong, Lin Renzi, Li Shengjie
Editorial office of ACTA PETROLEI SINICA . 1992, (3): 27 -35 .  DOI: 10.7623/syxb199203005