000 00251nam a2200109Ia 4500
008 190704s9999 xx 000 0 und d
082 _a620.11 R992
100 _aRYDER,G.H
245 0 _aSTRENGTH OF MATERIALS
260 _aLONDON
_bELBS
942 _cBB
_2DDC
999 _c6788
_d6788