1. McMahon R (1991) SEMATECH Stand 3:3
2. SPC und FMEA (1991) In: Ziehmann K-D (ed) Qualität bei Hoechst. Hoechst AG, Frankfurt
3. Spanos CJ (1992) Proc IEEE 80:819
4. Hitoshi Kume (1992) Statistical methods for quality improvement. AOTS, Tokyo
5. Int Stand (1987) ISO 9000-9004-87. Quality management and quality assurance standards ISO 9000-87, Guidelines for selection and use; ISO 9001-87, Quality systems ? Model for quality assurance in design/development, production, installation and servicing; ISO 9002-87, Quality systems ? Model for quality assurance in production and installation; ISO 9003-87, Quality system ? Model for quality assurance in final inspection and test; ISO 9004-87, Quality management and quality system elements ? Guidelines. Int Org for Standardization