TY - BOOK ID - 130161372 TI - Expert systems for business: concepts and applications, featuring VP-Expert AU - Pigford, D.V. AU - Baur, Greg PY - 1990 SN - 0534982182 PB - Boston Boyd & Fraser DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:130161372 AB - ER -