00415nam a2200145Ia 4500008004100000082001600041100001600057245003900073260003300112300000800145650003800153650003400191653002400225653002000249170901s1975    xx            000 0 und d  a625.7bB12R  aBabkov, V.F 0aRoad Conditions and Traffic Safety  aMoscowbMir Publishersc1975  a371  aEngineering and allied operations  aTechnology (Applied sciences)  aHighway engineering  aSafety measures