Property-Dependent Analysis of Aligned Proteins from Two Or More Populations. - Steinar Thorvaldsen; Elinor Ytterstad; Tor Flå (APBC, 2006)

Inferring Weak Adaptations and Selection Biases in Proteins from Composition and Substitution Matrices. - Steinar Thorvaldsen; Elinor Ytterstad; Tor Flå (ISBRA, 2007)

Environmental adaptation of proteins: Regression models with simple physicochemical properties. - Steinar Thorvaldsen; Elinor Ytterstad (Comput. Biol. Chem., 2009)