Não informado. (1929). Engineering Experiment Station News. Ohio State University, College of Engineering.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Engineering Experiment Station News. Columbus, Ohio: Ohio State University, College of Engineering, 1929.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Engineering Experiment Station News. Ohio State University, College of Engineering, 1929.
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