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Drewry Shipping Consultants. (1995). The oil tanker fleets: Changing patterns in ownership, operations and chartering. Drewry.

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Drewry Shipping Consultants. The Oil Tanker Fleets: Changing Patterns in Ownership, Operations and Chartering. London: Drewry, 1995.

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Drewry Shipping Consultants. The Oil Tanker Fleets: Changing Patterns in Ownership, Operations and Chartering. Drewry, 1995.