1. Omid Amini, Matthew Baker, Erwan Brugallé, and Joseph Rabinoff: Lifting harmonic morphisms II: Tropical curves and metrized complexes, Algebra Number Theory 9 (2015) 267–315.
2. Dan Abramovich, Lucia Caporaso, and Sam Payne: The tropicalization of the moduli space of curves, Ann. Sci. Éc. Norm. Supér. (4) 48 (2015) 765–809.
3. Kai Arzdorf and Stefan Wewers: Another proof of the semistable reduction theorem, arXiv:1211.4624 [math.AG].
4. Matthew Baker: An introduction to Berkovich analytic spaces and non-Archimedean potential theory on curves, in p-adic geometry, 123–174, Univ. Lecture Ser. 45, American Mathematical Society, Providence, RI, 2008.
5. Vladimir G. Berkovich: Étale cohomology for non-Archimedean analytic spaces, Inst. Hautes Études Sci. Publ. Math. 78 (1993) 5–161.