REMAINING OIL DISTRIBUTION AND THE DEVELOPMENT STRATEGY OF MAIN UNITY BLOCK IN SUDAN
LIU Yang SHEN Ping-ping; LIU Chun-ze et al
西南石油大学学报(自然科学版) . 2007, (3): 39 -42 .  DOI: 10.3863/j.issn.1000-2634.2007.03.011