00327nam a2200133Ia 4500008004100000041000800041082001700049100001300066245004500079260002200124300000800146365001600154700002300170230718s9999    xx            000 0 und d  aeng  a004.165bBOY  aBoyet H.  a8051 Programming Interfacing Application  c1992bMicro Press  a395  cRs.b217.20  aBoyet H. & Katz R.