Pedreros, Mario (November 1987). "Photometric study of the Southern open clusters NGC 5316 and NGC 6214". The Astronomical Journal. 94: 1237. Bibcode:1987AJ.....94.1237P. doi:10.1086/114559.
Pedreros, Mario (November 1987). "Photometric study of the Southern open clusters NGC 5316 and NGC 6214". The Astronomical Journal. 94: 1237. Bibcode:1987AJ.....94.1237P. doi:10.1086/114559.