1. A. Comessatti, “Fondamenti per la geometria sopra le superficie razionali dal punto di vista reale,” Math. Ann. 73, 1–72 (1912).
2. A. Comessatti, “Sulla connessione delle superficie razianali reali,” Ann. Mat., Ser. 3, 23, 215–283 (1914).
3. S. Diaz and J. Harris, “Ideals Associated to Deformations of Singular Plane Curves,” Trans. Am. Math. Soc. 309(2), 433–468 (1988).
4. M. Einsiedler, M. Kapranov, and D. Lind, “Non-Archimedean Amoebas and Tropical Varieties,” J. Reine Angew. Math. 601, 139–157 (2006); math.AG/0408311.
5. I. Itenberg, “Amibes des variétés algébriques et dénombrement de courbes (d’après G. Mikhalkin),” in Séminaire Bourbaki, Volume 2002/2003 (Soc. Math. France, Paris, 2004), Exp. 921, Astérisque 294, pp. 335–361.