1. Encyclopedia;Al Di,1983
2. Kirk-Othmer E;Kirk,1993
3. editor. History and origin in plants production analysis. In: The essential oils. New York: Krieger Publishing, 1948.
4. Cleaner production of essential oils by steam distillation
5. Plantas Medicinales y Aromáticas: Estudio, Cultivo y Procesado. Madrid: Ediciones Mundi-Prensa, 2002.