Newburn, R. L. (1991). Comets in the Post-Halley Era: In Part Based on Reviews Presented at the 121st Colloquium of the International Astronomical Union, Held in Bamberg, Germany, April 24–28, 1989. Springer Netherlands. https://doi.org/10.1007/978-94-011-3378-4
Chicago-Zitierstil (17. Ausg.)Newburn, R. L. Comets in the Post-Halley Era: In Part Based on Reviews Presented at the 121st Colloquium of the International Astronomical Union, Held in Bamberg, Germany, April 24–28, 1989. Dordrecht: Springer Netherlands, 1991. https://doi.org/10.1007/978-94-011-3378-4.
MLA-Zitierstil (9. Ausg.)Newburn, R. L. Comets in the Post-Halley Era: In Part Based on Reviews Presented at the 121st Colloquium of the International Astronomical Union, Held in Bamberg, Germany, April 24–28, 1989. Springer Netherlands, 1991. https://doi.org/10.1007/978-94-011-3378-4.