Hierarchical zeolites from silicon natural sources: synthesis and characterization - Farías, Tania; Morales, Katia Borrego; Hernández, Rosa I. Meneau; Garrido, María B. Liva; Rodríguez, Julio Duque; Piñar, Francisco Calderón; Afonso, Yilian Fernández; Picazo, Omitzu; Ellena, Javier; M'Peko, Jean-Claude; Salvador, Rabdel Ruiz (International Materials Research Congress - IMRC, 2018)