Lachs, M. (1964). The Polish-German frontier: Law, life and logic of history. PWN-Polish Scientific Publishers.
Chicago-referens (17:e uppl.)Lachs, Manfred. The Polish-German Frontier: Law, Life and Logic of History. Warszawa: PWN-Polish Scientific Publishers, 1964.
MLA-referens (8:e uppl.)Lachs, Manfred. The Polish-German Frontier: Law, Life and Logic of History. PWN-Polish Scientific Publishers, 1964.
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