Não informado. (1969). Communications. Dublin Institute for Advanced Studies, School of Cosmic Physics.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Communications. Dublin: Dublin Institute for Advanced Studies, School of Cosmic Physics, 1969.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Communications. Dublin Institute for Advanced Studies, School of Cosmic Physics, 1969.
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