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  1. Marathon Discovers Oil in Tunisia

    Volume: 34
    Issue: 39
    Published at Mon, 01 Jul 1991

  2. Forthcoming Conferences

    Volume: 34
    Issue: 39
    Published at Mon, 01 Jul 1991

  3. Publications Received

    Volume: 34
    Issue: 39
    Published at Mon, 01 Jul 1991

  4. Netback Values

    Volume: 34
    Issue: 39
    Published at Mon, 01 Jul 1991