1. Amari, S., Hoppe, P., Zinner, E., Lewis, R.S., 1993. The isotopic compositions and stellar sources of meteoritic graphite grains. Nature, 365, 806–809.
2. Asher, D.J., Clube, S.V.M., 1993. An extraterrestrial influence during the current glacialinterglacial. Q. Jl. Roy. Astron. Soc., 34, 481–511.
3. Asher, D.J., Bailey, M.E., Hahn, G., Steel, D.I., 1994a. Asteroid 5335 Damocles and its implications for cometary dynamics. Mon. Not. Roy. Astron. Soc., 267, 26–42.
4. Asher, D.J., Clube, S.V.M., Napier, W.M., Steel, D.J. 1994b. Coherent catastrophism. Vistas in Astronomy, 38, 1–27.
5. Bailey, M.E., 1987. Giant grains around protostars. Q. Jl. Roy. Astron. Soc., 28, 242–247.