000 00267nam a2200109Ia 4500
008 211209s9999 xx 000 0 und d
041 _aeng
082 _a624.1762 CHO
100 _aCHOPRA
245 _aDYNAMICS OF STRUCTURES
260 _aNEW DELHI
_bPEARSON PUBLICATION
999 _c81327
_d81327