Title: Essential Oil Safety: A Guide for Health Care Professionals- / Edition 2, Author: Robert Tisserand
Title: The Healing Power of Essential Oils: Fragrance Secrets of Everyday Use / Edition 1, Author: Rodolphe Balz
Title: Essential Oils and Aromatic Plants: Proceedings of the 15th International Symposium on Essential Oils, held in Noordwijkerhout, The Netherlands, July 19-21, 1984 / Edition 1, Author: A. Baerheim Svendsen
Title: Volatile Oil Crops: Their Biology, Biochemistry and Production / Edition 1, Author: R. Hay
Title: Aromatherapy: Basic Mechanisms and Evidence Based Clinical Use / Edition 1, Author: Giacinto Bagetta