Fester, G., A., Martinuzzi, E. A., Ricciardi, A. I. 1951. Volatile Oils. IV. Rev Fac Ing Quim 20: 47-60. Fac Ing Quim Santa Fe Argentina.
*Unless otherwise noted all references are to Duke, James A. 1992. Handbook of phytochemical constituents of GRAS herbs and other economic plants. Boca Raton, FL. CRC Press.