00341nam a2200133Ia 4500008004100000041000800041082001600049100003300065245002300098250000600121260004800127300001100175650002100186210716s1990    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)