I. Han, D. C. Black, G. Gatewood (2001). «Preliminary Astrometric Masses for Proposed Extrasolar Planetary Companions». Astrophysical Journal Letters. 548 (1): L57–L60. Bibcode:2001ApJ...548L..57H. doi:10.1086/318927 !CS1 manut: Nomes múltiplos: lista de autores (link)
I. Han, D. C. Black, G. Gatewood (2001). «Preliminary Astrometric Masses for Proposed Extrasolar Planetary Companions». Astrophysical Journal Letters. 548 (1): L57–L60. Bibcode:2001ApJ...548L..57H. doi:10.1086/318927 !CS1 manut: Nomes múltiplos: lista de autores (link)