Roland J. Egger, Bernd Aschenbach, « Interaction of the Loop I supershell with the Local Hot Bubble », Astronomy and Astrophysics, vol. 294, , L25-L28 (Bibcode1995A&A...294L..25E, arXivastro-ph/9412086)
Roland J. Egger, Bernd Aschenbach, « Interaction of the Loop I supershell with the Local Hot Bubble », Astronomy and Astrophysics, vol. 294, , L25-L28 (Bibcode1995A&A...294L..25E, arXivastro-ph/9412086)