Tob. Reporter, 1989, 116-10, p. 64, ISSN.0361-5693 Incorporating a salt as cigarette additive LAWSON J.W.; BULLINGS B.R.; PERFETTI T.A. US Patent 4,830,028. R.J. Reynolds. Nicotine levulinate. Authors LAWSON J.W. BULLINGS B.R. PERFETTI T.A. Sources Tobacco Reporter Publication year 1989 Type Publication