00569naa#a2200193#i#450# EN\\bibl\113206 20260117223911.6 2311-1402 20091225b2009####ek#y0engy0150####ca RUS RU Kachestvo dorozhnogo pokrytiya kak ekologo-ekonomicheskaya problema goroda Journal article Nizhnevartovsk Nizhnevartovsk State University 2009 8 с. Journal article local Nekhorosheva A V Unger F G Nekhoroshev V P vestnik.nvsu.ru