@book{16150,
	author = {Salas Caicedo Diana Cristina, Troncoso Castillo Carlos Fabián and Diana Cristina Salas Caicedo},
	title = {Materiales optimizados para construcciones civiles, El Espinal Tolima 2020},
	publisher = {ITFIP},
	year = {Año 2020},
	address = {El Espinal Tolima},
	note = {ITFIP}
}