00318nam a2200121Ia 4500100002000000366000700020654005000027245005000077260004000127082000800167300000900175546001200184  aOmura/ George.   f15  aMastering Autocad 14 For Mechanical Engineers  aMastering Autocad 14 For Mechanical Engineers  bB.P.B.PublicationsaNew Delhic1998  a6.6  a1135  aENGLISH