000 00300nam a2200133Ia 4500
008 161121s9999 xx 000 0 und d
100 _aAHUJA(TD) ;BIRDI(GS)
245 0 _aCivil engineering: building and construc
260 _cNIL
365 _b0
650 _aNIL
652 _a#N/A
942 _cBK
999 _c50121
_d50121