000			00321nam a2200121Ia 4500
005			20251007104456.0
008			251006s9999 xx 000 0 und d
100			_akuske,albrecht.
245		0	_aphotoelastic stress analysis robertson,george,(jt).auth.
260			_a1st ed. | london wiley
260			_c1974
942			_cBOK
999			_c7920 _d7920