@book{193301,
	author = {Vallina, Alicia, and Valle y Huerta, Gumersindo del,},
	title = {Apuntes filosóficos, 1876 [por] Gumersindo del Valle y Huerta /},
	publisher = {Alicia Vallina, },
	year = {2017]},
	address = {[Gijón : }
}