Não informado. (1952). Czechoslovak Journal of Physics. Czechoslovak Academy of Sciences.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Czechoslovak Journal of Physics. Prague: Czechoslovak Academy of Sciences, 1952.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Czechoslovak Journal of Physics. Czechoslovak Academy of Sciences, 1952.
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