00261nam a2200109 a 450000500170000002000150001708200210003210000190005324500200007226000340009230000250012620251202164249.0  a0201031035  a658.403,bD, Hil  aHill, Percy H.  aMaking Decision  aReading, Addison-Wesleyc1979  axviii, 243p.c23 cm.