Não informado. (1974). International Polymer Science and Technology. Rubber and Plastics Research Association of Great Britain.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. International Polymer Science and Technology. Shrewsbury, Inglaterra: Rubber and Plastics Research Association of Great Britain, 1974.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. International Polymer Science and Technology. Rubber and Plastics Research Association of Great Britain, 1974.
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