1. 1986 The use of generalised procrustes techniques in sensory analysis. In: Statistical Procedures in Food Research, ed Elsevier Applied Science, London, pp 233–253.
2. , , 1981 Mailing and Brewing Science, Vol 1 (2nd edn). Chapman and Hall, London, UK.
3. DIFFERENTIATION OF ALE AND LAGER FLAVOURS BY PRINCIPAL COMPONENTS ANALYSIS OF FLAVOUR CHARACTERIZATION DATA
4. European Brewing Convention 1975 Analytica EBC (3rd edn). Scheweizer Brauerei-Rundschau, Zurich, Switzerland.