000 00295nam a2200121Ia 4500
008 200906s9999 xx 000 0 und d
082 _a620.1 L279
100 _aLANGHAAR.H.L
245 0 _aENERGY METHODS IN APPLIED MECHANICS
260 _bWILEY, NEW YORK
_c1962
300 _a23X15
942 _cBK
999 _c61266
_d61266