Clijsen, Ron and Clarys, Peter and Barel, André Odilon (2009) Revulsive Products: Way of Action and Evaluation of Their Efficacy. In: Barel, André Odilon and Paye, Marc and Maibach, Howard I., (eds.) Handbook of Cosmetic Science and Technology. Informa Healthcare USA, Inc. , New York, London, pp. 653-660. ISBN 13: 978-1-4200-6963-1