00297nam a2200133Ia 4500008004100000041000800041082001900049100001600068245001300084260002600097300000800123365001600131700001600147230718s9999    xx            000 0 und d  aeng  a005.190'2bNEL  aNelson S.L.  aPC Tools  c1990bMicrosoft Press  a395  cRs.b240.00  aNelson S.L.