1. and in Gas Chromatographic Headspace Analysis (Heyden, London, 1977).
2. in Applied Headspace Gas Chromatography (Heyden, London, 1980).
3. ?Continuous Alcoholic Fermentation. A Study of Ethanol Production Using a Novel Gas-Lift Reactor,? Ph. D. thesis, University of Manchester, October, 1981.
4. Patentauswertung Vogelbusch GmbH, British patent No. 897, 166 (1961).