Não informado. (1950). Geophysical bulletin. Dublin Institute for Advanced Studies, School of Cosmic Physics.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Geophysical Bulletin. Dublin: Dublin Institute for Advanced Studies, School of Cosmic Physics, 1950.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Geophysical Bulletin. Dublin Institute for Advanced Studies, School of Cosmic Physics, 1950.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.