1. Davis DL, Nielsen MT (1999) Leave surface chemistry. In: Tobacco: Production, Chemistry and Technology. Blackwell, Oxford, pp 279–280
2. Wahlberg I, Enzell CR (1987) Nat Prod Rep 4: pp 237–276
3. Leffingwell JC, Leffingwell D (1988) Rec Adv Tob Sci 2:1–31
4. Severson RF, Arrendate RF, Chortyk OT, Johnsoon AW, Jachson DM, Gwynn GR, Chaplin JF, Stephenson MG (1984) J Agric Food Chem 32:566–570
5. Danehower DA, Izac RR, Grubbs HJ, Core MT, Hassam SB (1987) Tob Sci 31:48–51