1. Interlaboratory Studies and Certified Reference Materials for Environmental Analysis - The BCR Approach;Quevauviller,1999
2. Harmonized guidelines for internal quality control in analytical chemistry laboratories (Technical Report)
3. International Standards Organization (ISO), ISO/IEC 17025: General requirements for the competence of testing and calibration laboratories, ISO, Geneva, Switzerland, 2005.
4. International Standards Organization (ISO), ISO Guide 30: Terms and definitions used in connection with reference materials, ISO, Geneva, Switzerland, 1992.
5. A need for clearer terminology and guidance in the role of reference materials in method development and validation