1. and (eds), “HPTLC - High Performance Thin Layer Chromatography”, Elsevier Scientific Publishing Company, Amsterdam - Institute of Chromatography, Bad Dürkheim (1977) 10, 73-85.
2. A simplified device for centripetal thin-layer chromatography
3. CAMAG AG, Muttenz, private communication August 1978
4. Trennqualität in der Chromatographie (GC, HPLC, HPDC)