The environmental impact of the Sea Empress oil spill: Final report of the Sea Empress Environmental Evaluation Committee = Effaith amgylcheddol arllwysiad olew y Sea Empress: Adroddiad terfynol Pwyllgor Gwerthusiad Amgylcheddol Sea Empress
Sea Empress Environmental Evaluation Committee (1998). The environmental impact of the Sea Empress oil spill: Final report of the Sea Empress Environmental Evaluation Committee = Effaith amgylcheddol arllwysiad olew y Sea Empress: Adroddiad terfynol Pwyllgor Gwerthusiad Amgylcheddol Sea Empress. English-Welsh edition. The Stationery Office: London. ISBN 0-11-702156-3. 135 pp.
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