GGuia Mensual del CieloGuia Mensual del Cielode Ian RidpathMateriasAstronomyEdiciones (1)Guía mensual del cielo (2003)Cambridge University Press · inglés · ISBN 9788483233597Más obras de Ian RidpathAAmateur radio and electronics study guide [Book]Amateur radio and electronics study guide [Book]1984TThe sunThe sun1987Collins Encyclopedia of the Universe2001
AAmateur radio and electronics study guide [Book]Amateur radio and electronics study guide [Book]1984