↑ Alan Boss (2006). "Ask Astro". Astronomy. 30 (10): 70. Unknown parameter |month= ignored (help)
↑ "Titius-Bode laws in the solar system. Part I: Scale invariance explains everything". F. Graner, B. Dubrulle Astronomy and Astrophysics 282, 262-268 (1994).
↑ "Titius–Bode laws in the solar system. Part II: Build your own law from disk models",B. Dubrulle, F. Graner Astronomy and Astrophysics 282, 269-276 (1994).
