1. 67P/Churyumov-Gerasimenko, a Jupiter family comet with a high D/H ratio
2. Belyaev, N. A., Kresák, L., Pittich, E. M., & Pushkarev, A. N. 1985, Catalogue of Short-Period Comets (Bratislava: Veda)
3. Carusi, A., Kresák, L., Perozzi, E., & Valsecchi, G. B. 1985, Long-Term Evolution of Short-Period Comets (Bristrol & Boston, Adam Hilger Ltd)
4. Carusi, A., Kresák, L., & Valsecchi, G. B. 1995, Atlas of Dynamical Evolutions of Short–Period Comets, Formerly available at http://www.ias.rm.cnr.it/ias-home/comet/catalog.html