Dixboorn, J. V. (1974). Physical structure in systems theory. Academic Press.
शिकागो स्टाइल उद्धरणDixboorn, J.J. Van. Physical Structure in Systems Theory. London: Academic Press, 1974.
एमएलए उद्धरणDixboorn, J.J. Van. Physical Structure in Systems Theory. Academic Press, 1974.
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