00331nam a2200109 a 450000500170000002000150001708200200003210000210005224500880007326000400016130000200020120251203091636.0  a0201136597  a658.05,bD, pre  aPrerau, David S.  aDeveloping and managing expert systems: proven techniques for business and industry  aMassachusettsbAddison-Welseyc1990  axvi, 364p, 22cm