Thermodynamic parameters for an expanded nearest-neighbor model for formation of RNA duplexes with Watson-Crick base pairs Xia T, SantaLucia J Jr, Burkard ME, Kierzek R, Schroeder SJ, Jiao X, Cox C, Turner DH. Biochemistry. 1998 Oct 20;37(42):14719-35. http://www.ncbi.nlm.nih.gov/pubmed/9778347 ================================================ Thermodynamics and NMR of internal G.T mismatches in DNA. Allawi HT, SantaLucia J Jr. Biochemistry. 1997 Aug 26;36(34):10581-94. http://www.ncbi.nlm.nih.go