1. Akaike H (1973) Information theory and an extension of the maximum likelihood principle. In: Petrov BN, Caski F (eds) Proceeding of the second international symposium on information theory. Akademiai Kiado, Budapest, pp 267–281
2. Azzalini A (1985) A class of distributions which includes the normal ones. Scand J Stat 12(2):171–178
3. Azzalini A (1986) Further results on a class of distributions which includes the normal ones. Statistica 46(2):199–208
4. Azzalini A with the collaboration of Capitanio A (2014) The skew-normal and related families, IMS monographs. Cambridge University Press, Cambridge
5. Azzalini A, Capitanio A (2003) Distributions generated by perturbation of symmetry with emphasis on a multivariate skew t distribution. J R Stat Soc Ser B Stat Methodol 65(2):367–389