000			00299nam a2200133Ia 4500
100			_aTitov/ N.D./ Stepanov/ yu. A.
942			_cBK
654			_aFoundry practice
245			_aFoundry practice
260			_bMir Publishers _aMoscow _c1981
082			_a671.2
300			_a456
546			_aENGLISH
999			_c17891 _d17891