Principles of RNA base pairing: structures and energies of the trans Watson-Crick/sugar edge base pairs.
Sponer JE, Spackova N, Leszczynski J, Sponer J. Principles of RNA base pairing: structures and energies of the trans Watson-Crick/sugar edge base pairs. J Phys Chem B. 2005 Jun 09; 109(22):11399-410.