000 00243nam a2200109Ia 4500
008 220201s1973 xx 000 0 eng d
082 _a620.17
_bRYD-S
100 _aRYDER G H
245 0 _aSTRENGTH OF MATERIALS
260 _c1973
942 _2ddc
999 _c30546
_d30546