000			00302nam a22001337a 4500
999			_c13120 _d13120
020			_a9780071135252
082			_a620.112 _bNAS
100			_aNash,William A
245			_aTheory and problems of strength of materials
250			_a3rd
260			_bMc Graw hill _c1972
300			_a423p.
942			_cBK