000 00297nam a2200121Ia 4500
008 220201s1975 xx 000 0 eng d
082 _a624
_bAHU
100 _aAhuja td, and birdie gs
245 0 _aCivil Engineering
260 _aDelhi
_bDhanpat Rai and sons
_c1975
300 _a288
942 _2ddc
999 _c22813
_d22813