000 00336nam a2200121Ia 4500
008 220201s1969 xx 000 0 eng d
082 _a624.2
_bIRC
100 _aThe Indian Road Congress
245 0 _aDesign criteria for presstressed concrete road bridger
260 _bDelhi: Indian Road Congress
_c1969
300 _a20
942 _2ddc
999 _c77756
_d77756