%0 Journal Article %A Paolo Aluffi %T Some characteristic numbers for nodal and cuspidal plane curves of any degree. %J Manuscripta mathematica %D 1991 %P 425-444 %V 72 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1991__72_1_155651/ %F MM2_1991__72_1_155651