1. Analytical Chemistry: A Modern Approach to Analytical Science;Kellner,2004
2. Guide to Quality in Analytical Chemistry. An Aid to Accreditation;CITAC/EURACHEM,2002
3. Sample Pretreatment and Separation;Anderson,1991
4. Sampling the environment: twelve key questions that need answers;Ramsey;Geostand. Geoanal. Res.,2004
5. Nomenclature for sampling in analytical chemistry;Horwitz;Pure Appl. Chem.,1990