00261nam a22001097a 4500003000400000008004100004082001400045100001500059245003700074260003200111300000800143OSt231225b        |||||||| |||| 00| 0 eng d  a531bB39M  aBeer, F.P.  aMechanics for engineers Dynamics  aMcgraw Hill Kogakushac1976  a827