000			00378nam a2200181Ia 4500
008			240220s9999 xx 000 0 und d
041			_aENG
082			_a621.815
100			_aBelyaev N. M.
245		0	_aStrength of materials
260			_aMoscow
260			_bMir Publishers
260			_c1979
300			_a703p.
365			_b21
650			_aCIVIL
942			_cDBK
999			_c17585 _d17585