TY - RPRT TI - Automated knowledge refinement for rule-based formulation expert system. AU - SM Craw AU - RA Boswell AU - RC Rowe PY - 1999 DO - 10.1016/s1461-5347(99)00182-0 UR - https://pubmed.ncbi.nlm.nih.gov/10470027/ ID - 10470027 ER -