000 00298nam a2200121Ia 4500
008 230913s9999 xx 000 0 und d
100 _aBl, Gupta
245 0 _aMaintenance And Repair Of Civil Structures
260 _aNEW DELHI
260 _bSTANDARD
260 _c0
650 _aCivil Engineering
999 _c120280
_d120280