BIODEGRADATION OF CRUDE OIL AND ORIGIN OF “THICK OIL” IN LIAOHE DEPRESSION
Lu Songnian, Gao Jianjun, Chen Yixian, Song Shaoying
Editorial office of ACTA PETROLEI SINICA . 1986, (3): 1 -10 .  DOI: 10.7623/syxb198603001