(1950). Proceedings of the conference on the mechanical engineer's contribution to clean air, London 19th-21th 1957. London: The Institution of Mechanical Engineers.
Παραπομπή Chicago StyleProceedings of the Conference On the Mechanical Engineer's Contribution to Clean Air, London 19th-21th 1957. London: The Institution of Mechanical Engineers, 1950.
Παραπομπή MLAProceedings of the Conference On the Mechanical Engineer's Contribution to Clean Air, London 19th-21th 1957. London: The Institution of Mechanical Engineers, 1950.
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