List of proposals for the international telegraph and telephone conference of Paris, 1949.

List of proposals for the international telegraph and telephone conference of Paris 1949.

出版社：Geneva : The International Telecommunication Union, 19 -

出版年：1949

作者：The International Telecommunication Union.

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List of telegraph offices open for international service

作者：A. Habotov
出版社：1976.01

List of scientific papers published in Latin America, 1949.

作者：United Nations.
出版社：Montevideo : United Nations, 1949.
出版年：1949

Proceedings of the International Colloquium on Macromolecules, Amsterdam 1949.

出版社：Amsterdam : D. B. Centen''s Uitgevers-Maatschappij N. V., 1950.
出版年：1950

New serial titles : a union list of series commencing publication after December 31, 1949.

作者：Joint Committee on the Union List of Serials.
ISBN：00286680
出版社：Washington : Library of Congress, 1976.
出版年：1976

Report to the General Assembly of the International Council of Scientific Unions 1949.

作者：International Union of Theoretical and Applied mechanics.
出版社：[S.l. : s.n., 1949]
出版年：1949

Antibiotics. 1949.

作者：Florey,H.W.
ISBN：20.00
出版社：Oxford University Press 1949
出版年：1949