000			00320nam a2200145Ia 4500
008			170101s1948 xx 000 0 und d
082			_a620.1 H38M
100			_aHARTOG, J. P. Den
245		0	_aMechanics.
260			_bN. Y. _c1948
300			_a462p
650			_aMechanics
653			_aMECHANICS
942			_2ddc _cB
999			_c16078 _d16078