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Hommel, Matthias: < | > Horn, Alfred: |
Hopkins, John B.:
Titel | Hopkins, John B.: |
Stichwörter | |
ISBN | |
Signatur | EGM 9016 |
Autor |
Hazel, Morrin E. . - Technological Innovation in
grade crossing protective systems: technical report; prep. for the Dep. of
Transportation, Federal Railroad Administration. - John B. Hopkins, Morrin E.
Hazel. - Washington:, 1971. - VII, 82 S. (Report