Krasinsky, G. A.; Brumberg, V. A. (2004). „Secular increase of astronomical unit from analysis of the major planet motions, and its interpretation”. Celestial Mechanics and Dynamical Astronomy. 90 (3–4): 267—288. Bibcode:2004CeMDA..90..267K. doi:10.1007/s10569-004-0633-z.
Krasinsky, G. A.; Brumberg, V. A. (2004). „Secular increase of astronomical unit from analysis of the major planet motions, and its interpretation”. Celestial Mechanics and Dynamical Astronomy. 90 (3–4): 267—288. Bibcode:2004CeMDA..90..267K. doi:10.1007/s10569-004-0633-z.