000 00347nam a2200145Ia 4500
008 241225s9999 xx 000 0 und d
020 _a0074634917
082 _a624.18
_bTTT
100 _aTtti.
245 0 _aCivil engineering materials
260 _aChandigarh :
_bTtti,
_c2007
300 _a336.
365 _a115
650 _aCivil engineering
999 _c18794
_d18794