1. Magyar, B.: Anal. Letters 9 (12), 1055–1074 (1976)
2. Comment of Fachgruppe “Analytische Chemie” in der Gesellschaft Deutscher Chemiker on education in Analytical Chemistry, Frankfurt/Main, 12. Oct. 1977
3. Information and data provided by universities, technical schools, and civil services in Switzerland
4. Private communication, Prof. W. Fresenius, Wiesbaden, West-Germany
5. Private communication, Prof. G. Guichon, Palaiseau, France