000 00307nam a2200109Ia 4500
008 220201s1989 xx 000 0 eng d
100 _aIndian Road Congress
245 0 _aIRC: 52- 1981 Alignment survey & geometric design of hill roads
260 _bIndian Road Congress
_c1989
300 _a36
942 _2ddc
999 _c84180
_d84180