@book{11024,
	author = {Toth, Max and Nielsen, Greg},
	title = {El poder mágico de las pirámides 1},
	publisher = {Martínez Roca},
	year = {1977},
	series = {Enigmas del Pasado y del Futuro},
	address = {Barcelona},
	edition = {1a. ed.},
	note = {Titulo original "Pyramid power"}
}