United States Air Force. Research and Technology Briefs.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUnited States Air Force. Research and Technology Briefs.
एमएलए (8वां संस्करण) प्रशस्ति पत्रUnited States Air Force. Research and Technology Briefs.
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