@ARTICLE{Cas_De _2020,
author = "Castañeda Sepúlveda, Román",
title = "De pestes y esperanzas",
year = 2020,
publisher = "Academia Colombiana de Ciencias Exactas, Físicas y Naturales",
url = "https://repositorio.accefyn.org.co/handle/001/1243",
}