BENTLEY, R. (1992). Research and technology in the former German DemocraticRepublic. Westview.
Citace podle Chicago (17th ed.)BENTLEY, Raymond. Research and Technology in the Former German DemocraticRepublic. Boulder: Westview, 1992.
Citace podle MLA (9th ed.)BENTLEY, Raymond. Research and Technology in the Former German DemocraticRepublic. Westview, 1992.
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