1. Baldwin, R.B. : 1971, “On the history of the lunar impact cratering : The absolute time scale and the origin of planetesimals” , Icarus ,14, 36–52.
2. Bell, J.F., Davis, D.R., Hartmann, W.K. and Gaffey, M.J. : 1989, “Asteroids : The big picture”. In Asteroids II (T. Gehreis, Ed.), 921–945, Univ. of Arizona Press, Tucson.
3. Bendjoya, Ph., Slezak, E. and Froeschlé, C. : 1991, “The wavelet transform : a new tool for asteroid family determination”, Astron. Astrophys. ,251, 312–330.
4. Binzel, R.P. and Xu, S. : 1993, “Chips off Vesta and a near-resonance source for basaltic achondrite meteorites”, Science ,260, 186–190.
5. Binzel, R.P., Xu, S., Bus, S.J., Skrutskie, M.F., Meyer, M.R., Knezek, P. and Barler, E.S. : 1993, “Discovery of a main-belt asteroid resembling ordinary chondrite meteorites”, Science ,262, 1541–1543.