1. Sofowora A (1993) Medicinal plants and traditional medicinal in Africa, 2nd edn. Sunshine House, Ibadan
2. Baris O, Güllüce M et al (2006) Biological activities of the essential oil and methanol extract of Achillea biebersteini Afan Afan (Asteraceae). Turk J Biol 30:65–73
3. Margaris N, Koedam A, Vokou D (1982) Aromatic plants: basic and applied aspects. London/Boston, The Hague
4. Tisserand RB (1997) In the art of aromatherapy. Healing Arts Press
5. Rochester VT, Wei A et al (2010) Antioxidant/Lipoxygenase inhibitory activities and chemical compositions of selected essential oil. J Agric Food Chem 58:7218–7225