1. A multiple column gas chromatograph
2. and “Chromatography ′72” (1973) (ed.), Applied Science Publishers, Berking, New York; 1972, p. 99
3. “Prä-chromatographische Mikromethoden, μl-Techniken für die biomedizinische Spurenanalytik”, A. Hüthig Verlag, Heidelberg, Basel, New York (1979)
4. in “Methoden der Organischen Chemie (Houben-Weyl)” (E. Müller, ed.) Vol. 5/4, (1960) 597
5. and in “Blood Drugs, and other Analytical Challenges”, (ed.) E. Horwood Publishers, Chichester, (1978), p. 294.