1. The Merck Index, 11th Ed., S. Budavari, New Jersey, USA, 1989.
2. Effect of Penetration Modifiers on the Dermal and Transdermal Delivery of Drugs and Cosmetic Active Ingredients
3. Codiffusion of propylene glycol and dimethyl isosorbide in hairless mouse skin
4. U. Romano, F. Rivetti, N. Di Muzio, U.S. Patent 4,318,862 (1979).
5. F. Rivetti, P. Tundo, P. Anastas (Eds.) Green Chemistry: Challenging Perspectives, Oxford University Press, Oxford, 2000, 201 p.