Não informado. (2000). Aeronautical research. Council of Scientific & Industrial Research.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Aeronautical Research. Melbourne, Australia: Council of Scientific & Industrial Research, 2000.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Aeronautical Research. Council of Scientific & Industrial Research, 2000.
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