References
  1. Noble, Ann C., et al., Am. J. Enol. Viticult., 1987, pp38- .
  2. Civille, Gail V. & Lawless, Harry T., J. Sensory Studies, 1986, 203-215.
  3. Acree, Terry E. and Henick-Kling, Thomas, 1996 unpublished.