Shevchenko, V. G.; in sod. (april 2016), »Asteroid observations at low phase angles. IV. Average parameters for the new H, G1, G2 magnitude system«, Planetary and Space Science, 123: 101–116, doi:10.1016/j.pss.2015.11.007{{citation}}: Vzdrževanje CS1: samodejni prevod datuma (povezava)
Harris, A. W.; Warner, B. D.; Pravec, P. (2016). »Asteroid Lightcurve Derived Data V16.0«. NASA Planetary Data System. 246. Bibcode:2016PDSS..246.....H.
Meisel, D. D.; Morris, C. S. (1976), »Comet brightness parameters: Definition, determination, and correlations«, NASA. Goddard Space Flight Center the Study of Comets, Part 1, 393: 410–444, Bibcode:1976NASSP.393..410M