Glushenkov, A. N., and D. M. Hovorun. “Complete Set of H-Bonded Homoassociates of 9-Methylguanine With Participation of Mutagenic Tautomers: Quantum-Mechanical Study”. Reports of the National Academy of Sciences of Ukraine, no. 3, Oct. 2024, pp. 98-106, doi:10.15407/dopovidi2016.03.098.