Dippy, J.F.J.; Hughes, S.R.C.; Laxton, J.W. Chemical Constitution and the Dissociation Constants of Monocarboxylic Acids. Part XIV. Monomethylcyclohexanecarboxylic Acids. Journal of the Chemical Society (Resumed). 1954, 1954: 4102–4106. doi:10.1039/JR9540004102.