Observations and Orbits of Comets75
Knoefel, A., Golubaev, A. V., Krugly, Y. N., Cernis, K., Selevicius, H., Jaeger, M., Prosperi, E., Prosperi, S., Vollmann, W., Giambersio, A. M., Wibe, Y., Wiebe, Y., Kaiser, G., Foglia, S., Galli, G., Buzzi, L., Naves, R., Campas, M., Hasubick, W., Trondal, O., Tichy, M., Ticha, J., Kocer, M., Honkova, M., Nishiyama, K. et al. 2013. "Observations and Orbits of Comets." Minor Planet Electronic Circulars, 75.