@book{8290,
	author = {Institut D'Astrophysique and Communications Presentees Au Quinzieme Colloque International D'astrophysique Tenu A Liege Les},
	title = {Les transistions interdites dans les spectres des astres},
	publisher = {Institut D Astrophysique de University de Lege Observatori},
	year = {1969},
	address = {Belgique}
}