1. Identification of essential oil components by gas chromatography and mass spectroscopy;Adams,1995
2. Performance standard for antimicrobial susceptibility test Ninth International Supplement M100-S9, Wayne, PA,1999
3. Baron EJ, Finegold M, Bailey S, Sccot's Diagnostic Microbiology. St.Luis, Baltimore, Philadelphia and Toronto. 8th ed. The C.V. Mosby Company; 1990. p. 181.