Proffitt, Charles R.; Quigley, Mark F. (February 2001), "Boron Abundances in Early B Stars: Results from the B III Resonance Line in IUE Data", The Astrophysical Journal, 548 (1): 429–438, Bibcode:2001ApJ...548..429P, doi:10.1086/318673.
Proffitt, Charles R.; Quigley, Mark F. (February 2001), "Boron Abundances in Early B Stars: Results from the B III Resonance Line in IUE Data", The Astrophysical Journal, 548 (1): 429–438, Bibcode:2001ApJ...548..429P, doi:10.1086/318673.