https://catalogue-scientifique.canada.ca/record=1052500~S6*frc
Rechercher Royal Greenwich Observatory; Rechercher Royal Greenwich Observatory. Isaac Newton Group of Telescopes (Santa Cruz de La Palma, Canary Islands); Rechercher Royal Observatory, Edinburgh; Rechercher Joint Astronomy Centre
The observatories, ISSN : 1353-7784
Périodique (revue)