000 00243nam a2200109Ia 4500
008 230401s9999 xx 000 0 eng d
100 _aPUNMIA(BC)
245 0 _aSTRENGTH OF MATERIAL
250 _a1989
260 _bSTANDARD
942 _2ddc
_cBTECH
999 _c3018
_d3018