000 00273nam a2200121Ia 4500
999 _c15872
_d15872
020 _a0070113920
100 _aRay W Clough
245 _aDynamics of Structures
260 _c1986
_bMcGRAW HILL
_aNew Delhi
300 _axiii+634
700 _aJoseph Penzien
942 _cBK