1. C. Andreian Cazacu, Some formulae on the extremal length in n-dimensional case, Proceedings of the Romanian-Finnish Seminar on Teichmüller Spaces and Quasiconformal Mappings (Brasov, 1969), Publ. House of the Acad. of the Socialist Republic of Romania, Bucharest, 1971, pp. 87–102.
2. C. Bishop, V. Gutlyanskiĭ, O. Martio, and M. Vuorinen, On conformal dilatation in space, Int. J. Math. Math. Sci. 22 (2003), 1397–1420.
3. P. Caraman, Relations between p-capacity and p-module (I), Rev. Roum. Math. Pures Appl. 39 (1994), 509–553.
4. M. Cristea, Open discrete mapping having local ACLn inverses, Complex Var. Elliptic Equ. 55 (2010), 61–90.
5. H. Federer, Geometric Measure Theory, Springer-Verlag New York Inc., New York, 1969.