Ratcliffe, J. A. (1960). Physics of the upper atmosphere. Academic Press.
शिकागो स्टाइल उद्धरणRatcliffe, J. A.,ed. Physics of the Upper Atmosphere. New York: Academic Press, 1960.
एमएलए उद्धरणRatcliffe, J. A.,ed. Physics of the Upper Atmosphere. Academic Press, 1960.
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