00281nam a2200109Ia 4500100003200000654003700032245003800069260003200107082001200139300000800151546001200159  aBeer/ F.P./ Johnston/ E.R.   aMechanics for engineers dynamics  aMechanics for engineers- Dynamics  bMcGraw HillaNew Yorkc1987  a620.104  a926  aENGLISH