Abt, Helmut (2009). "Reviewing and Revision Times for The Astrophysical Journal". Publications of the Astronomical Society of the Pacific. 121 (885). ss. 1291-1293. 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 Pacific. 121 (885). ss. 1291-1293. Bibcode:2009PASP..121.1291A. doi:10.1086/648536.