| Mitglied werden | Druckversion | Kontakt | Impressum | Über die DGEG
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