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2. Aluffi, P.: Two characteristic numbers for smooth plane curves of any degree. To appear in Trans. Am. Math. Soc.
3. Aluffi, P.: Some characteristic numbers for nodal and cuspidal plane curves of any degree, preprint (Forschungsschwerpunkt Komplexe Mannigfaltigkeiten, Heft Nr. 71, Erlangen) (1990)
4. Aluffi, P.: How many smooth plane cubics with givenj-invariant are tangent to 8 lines in general position, to appear in the proceedings of the 1989 Zeuthen Symposium, Kleiman, S., Thorup, A. (eds.)
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