1. OXFORD ENERGY SEMINAR

    Volume: 31
    Issue: 51
    Published at Mon, 26 Sep 1988
  2. SABIC's Net Income Continues to Rise in 1987 and 1988

    Volume: 31
    Issue: 49
    Published at Mon, 12 Sep 1988
  3. USSR Oil Exports And Imports 1987

    Volume: 31
    Issue: 48
    Published at Mon, 05 Sep 1988