000 00210nam a2200097Ia 4500
100 _aSINGH, GURBAKSH
245 _aSTRENGTH OF MATERIALS
260 _aDELHI
_bKHANNA PUB.
_c1961
300 _a520
942 _2ddc
_cBB
999 _c72039
_d72039