@book { Bibliothèque numérique - Observatoire de Paris,
	title = {Saturn as seen with a newtonian equatorial of thirteen inches aperture, March 27th and 29th 1856 (titre original)},
	abstract = {Saturne (planète), Planètes},
	type = {Estampe},
	source = {Bibliothèque de l'Observatoire de Paris, Inv.I.893},
	date = {1856},
	rights = {Bibliothèque de l'Observatoire de Paris},
	relation = {Voir la notice complète dans Cosmos},
	author = {Russell, S., ,}
}