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Düsseldorf [u.a.]: ECON-Verl., 1992
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New York: Irvington, 1980
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Washington D. C.: Contracts Division, 1975
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Washington, D. C.: U. S. Government Printing Office, 1970 [erschienen] 1971
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Washington, D.C.: Department of Transportation, United States Coast Guard, Office of Research and Development, 19XX-
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Düsseldorf: VDI-Verl., 2000
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Washington, D.C.: Urban Mass Transportation Administration, 1977