000 00292nam a2200121Ia 4500
008 190719s9999 xx 000 0 und d
082 _a620.1 L279
100 _aLANGHAAR.H.L
245 0 _aENGINEERING MECHANICS
260 _aNEW YORK
_bMcGraw-Hill
_c1959
300 _a23X15
942 _cBK
_2DDC
999 _c45927
_d45927