00301nam a2200121Ia 4500008004100000100002100041245005100062250000600113260002100119260000900140300000900149650002100158221231s9999    xx            000 0 und d  aWinston, Wayne L 0aOperaration Research Apllications & Algorithms  a4  bThomson Learning  c2003  a1418  aComputer Science