Illingworth, V., ILLINGWORTH, V., & Illingworth, V. (1991). The Penguin dictionary of physics (2nd ed.). London, England ; New York, N.Y., USA: Penguin Books.
Παραπομπή Chicago StyleIllingworth, Valerie, Valerie ILLINGWORTH, and Valerie Illingworth. The Penguin Dictionary of Physics. 2nd ed. London, England ; New York, N.Y., USA: Penguin Books, 1991.
Παραπομπή MLAIllingworth, Valerie, Valerie ILLINGWORTH, and Valerie Illingworth. The Penguin Dictionary of Physics. 2nd ed. London, England ; New York, N.Y., USA: Penguin Books, 1991.
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