Weissman, Paul R.; A'Hearn, M. F.; McFadden, L. A.; Rickman, H. (December 1988). "Evolution of comets into asteroids". Asteroids II; Proceedings of the Conference, Tucson, AZ, Mar. 8-11, 1988 (A90-27001 10-91): 880–920. Bibcode:1989aste.conf..880W.
di Martino, M.; Carusi, A.; Dotto, E.; Lazzarin, M.; Marzari, F.; Migliorini, F. (January 1998). "Dynamical and physical properties of comet--asteroid transition objects". Astronomy and Astrophysics. 329: 1145–1151. Bibcode:1998A&A...329.1145D.
Froeschle, Ch.; Hahn, G.; Gonczi, R.; Morbidelli, A.; Farinella, P. (September 1995). "Secular resonances and the dynamics of Mars-crossing and Near-Earth asteroids". Icarus. 117 (1): 45–61. Bibcode:1995Icar..117...45F. doi:10.1006/icar.1995.1141.