00340nam a2200133Ia 4500008004100000041000800041082001600049100003200065245002300097250000600120260004800126300001100174650002100185210716s1990    xx            000 0 und d  aeng  a005.45 DAVP  aDavies, P J;Backhurst, N G.  aExploiting MS-DOS.  a2  aEnglandbGalgotia Publication Pvt Ltdc1990  aix,224  aMS DOS(005.3682)