Kwart, Harold; King, Kenneth (1969). "Rearrangement and cyclization reactions of carboxylic acids and esters". In S. Patai (ed.). PATAI'S Chemistry of Functional Groups: Carboxylic Acids and Esters (1969). pp. 341–373. doi:10.1002/9780470771099.ch8. ISBN9780470771099.
Bonner, William A.; Rewick, Robert T. (1962). "A Mechanism for the Cleavage of Unsaturated Acids with Molten Alkali". J. Am. Chem. Soc. 84 (12): 2334–2337. doi:10.1021/ja00871a013.
Organic reactions in strong alkalis-I : Fission of ethylenic acids (the Varrentrapp reaction)Tetrahedron, Volume 8, Issues 3–4, 1960, Pages 221–238 R. G. Ackman, Patrick Linstead, B. J. Wakefield and B. C. L. Weedon doi:10.1016/0040-4020(60)80031-2
