Não informado. (1964). Index of Conference Proceedings Received by the NLL. National Lending Library for Science and Technology.
Chicago-referens (17:e uppl.)Não informado. Index of Conference Proceedings Received by the NLL. Boston, Inglaterra: National Lending Library for Science and Technology, 1964.
MLA-referens (8:e uppl.)Não informado. Index of Conference Proceedings Received by the NLL. National Lending Library for Science and Technology, 1964.
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