000			00437nam a2200157Ia 4500
008			241225s9999 xx 000 0 und d
020			_a0071431896
082			_a624.177 _bKAR
100			_aKarnovsky, Igor A
245		0	_aFree vibrations of beams and frames : eigenvalues and eigenfunctions
260			_aNew York : _bMcgrawhill, _c1994
300			_a280.
365			_a5616
650			_aCivil engineering
700			_aLebed, Olga I.
999			_c32397 _d32397