1. Busemann, H.: The Geometry of Geodesics. Academic Press, New York (1955)
2. Earle, C.J., Gardiner, F.P., Lakic, N.: Asymptotic Teichmüller Spaces. Part I. The Complex Structure. Contemporary Mathematics, vol. 256, pp. 17–38. American Mathematical Society, Providence (2000)
3. Earle, C.J., Marković, V., Saric, D.: Barycentric Extension and the Bers Embedding for Asymptotic Teichmüller Spaces. Contemporary Mathematics. American Mathematical Society, Providence (2002)
4. Contemporary Mathematics;CJ Earle,2004
5. Earle, C.J., Li, Z.: Isometrically embedded polydisks in infinite-dimensional Teichmüller spaces. J. Geom. Anal. 9, 51–71 (1999)