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2. Bockelée-Morvan, D., Crovisier, J., Mumma, M.J., Weaver, H.A.: 2004, in Comets II (M.C. Festou, H.A. Weaver, and H.U. Keller, eds.; University of Arizona Press), p. 391.
3. Feldman, P.D.: 1982, in Comets (L.L. Wilkening, ed.; University of Arizona Press), p. 461.
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5. Feldman, P.D., A’Hearn, M.F., Festou, M.C.: 2004b, in The New Rosetta Targets. Observations, Simulations and Instrument Performances (L. Colangeli, E. Mazzotta Epifani, and P. Palumbo, eds., Kluwer), ASSL Vol. 311, p. 47.