Advances in Heterocyclic Chemistry, Vol. 91, 2006, pp.1-134.
B. Stanovnik, M. Tišler, A.R. Katritzky, O.V. Denisko
"The Tautomerism of Heterocycles: Substituent Tautomerism of Six-Membered Ring Heterocycles"
- DOI:
http://dx.doi.org/10.1016/S0065-2725(06)91001-0