THE RESEARCH ON THE TIME AND SPACE VALIDITY OF HYDROCARBON GENERATION IN E s 4-E kGAS SOURCE ROCKS，LIJIN AND MINFENG AREA
CAI Dong-mei;JIANG You-lu LIU Hua XU Hao-qing SUN Li-dong 
西南石油大学学报(自然科学版) . 2008, (6): 14 -17 .  DOI: 10.3863/j.issn.1000-2634.2008.06.004