@book{49331,
	author = {Ballester Olmos, Vicente-Juan},
	title = {Ovnis, el fenómeno aterrizaje},
	publisher = {Plaza & Janés},
	year = {1978.},
	series = {Otros Mundos},
	address = {Esplugas de Llobregat},
	edition = {1. ed.}
}