00277nam a2200121Ia 4500008004100000020001500041041000800056100001400064245003600078250001900114260001400133300000800147211209s2008    xx            000 0 und d  a8185594589  aeng  aBHATT N D  aELEMENTARY ENGINEERING DRAWING   a49 EDITION ed.  bPHIc2008  aXVI