R. B. Bates, L. M. Kroposki, D. E. Potter (1972), Cycloreversions of anions from tetrahydrofurans. Convenient synthesis of lithium enolates of aldehydes. Journal of Organic Chemistry, volume 37, issue 4, pages 560–562. doi:10.1021/jo00969a007
Y. Infarnet, J. C. Duplan and 3. Huet (2005), Saturated 5-Membered Ring Conformation 1-lH NMR Study of Protonated Methyltetrahydrofurans in Superacid Medium. Organic Magnetic Resonance, volume 16, issue 1, pages 68–70. doi:10.1002/mrc.1270160119
