Penn, W. (1966). GRP technology: Handbook to the polyester/glass fibre plastics industry. Maclaren.
Chicago Stili AlıntıPenn, W.S. GRP Technology: Handbook to the Polyester/glass Fibre Plastics Industry. London: Maclaren, 1966.
MLA AlıntıPenn, W.S. GRP Technology: Handbook to the Polyester/glass Fibre Plastics Industry. Maclaren, 1966.
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