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1Cyhoeddwyd 1978“...Proceedings of the Institution of Mechanical Engineers. Part C, Mechanical engineering science...”
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2Cyhoeddwyd 1983“...Proceedings of the Institution of Mechanical Engineers. Part B, Journal of engineering manufacture...”
Cylchgrawn -
3Cyhoeddwyd 1984“...Proceedings of the Institution of Mechanical Engineers. Proceedings part D, Journal of automobile engineering...”
Cylchgrawn