000 00373nam a2200133Ia 4500
008 231017s9999 xx 000 0 und d
082 _a625.74
082 _bBIR
245 0 _aChemical additive usage on unpaved roads in the mountain plains states
245 0 _cNorth Dakota State University
260 _bNorth Dakota State University
300 _c30cm
942 _cREP
999 _c606001
_d606001