BENTLEY, R. (1992). Research and technology in the former German DemocraticRepublic. Westview.
Chicago-čujuhus (17. p.)BENTLEY, Raymond. Research and Technology in the Former German DemocraticRepublic. Boulder: Westview, 1992.
MLA-čujuhus (9. p.)BENTLEY, Raymond. Research and Technology in the Former German DemocraticRepublic. Westview, 1992.
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