Não informado. (1975). Canadian Journal of Remote Sensing. Canadian Aeronautics and Space Institute.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Canadian Journal of Remote Sensing. Ottawa: Canadian Aeronautics and Space Institute, 1975.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Canadian Journal of Remote Sensing. Canadian Aeronautics and Space Institute, 1975.
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