USEO F THE RATIO OF TRACE VANADIUM AND NICKEL IN CRUDE OIL IN THE DETERMINATION OF SOURCE ROCK FACIES
Zhang Boquan, Wang Qijun, Zhang Zhengrui, Huang Shaoming
Editorial office of ACTA PETROLEI SINICA . 1981, (S1): 44 -51 .  DOI: 10.7623/syxb1988S1007