@Book{BARB00867191-6, title = "Riesgos naturales : gu\'{\i}a para comprender, observar y protegerse en la monta\~{n}a", author = "F\'{a}bregas Reigosa, Jos\'{e} Ignacio.", publisher = "[Zaragoza] : Instituto Aragon\'{e}s de la Juventud", editor = "Instituto Aragon\'{e}s de la Juventud", URL = "https://bibliotecavirtual.aragon.es/es/consulta/registro.do?id=5105", year = "2019", }