Não informado. (1975). Arabian Journal for Science and Engineering. University of Petroleum and Minerals.
Chicago-referens (17:e uppl.)Não informado. Arabian Journal for Science and Engineering. Dhahran, Arábia Saudita: University of Petroleum and Minerals, 1975.
MLA-referens (8:e uppl.)Não informado. Arabian Journal for Science and Engineering. University of Petroleum and Minerals, 1975.
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