Abt, Helmut (2009). “Reviewing and Revision Times for The Astrophysical Journal”. Publications of the Astronomical Society of the Pacific121: 1291. Bibcode: 2009PASP..121.1291A. doi:10.1086/648536.
Abt, Helmut (2009). “Reviewing and Revision Times for The Astrophysical Journal”. Publications of the Astronomical Society of the Pacific121: 1291. Bibcode: 2009PASP..121.1291A. doi:10.1086/648536.