@InCollection{zbMATH00066398,
Author = {Susan Jane {Colley} and Gary {Kennedy}},
Title = {{Triple and quadruple contact of plane curves}},
BookTitle = {{Enumerative algebraic geometry. Proceedings of the 1989 Zeuthen symposium on the occasion of the 150th birthday of the Danish mathematician, held at the Mathematical Institue of the University of Copenhagen, Copenhagen, Denmark, on July 30 - August 6, 1989}},
ISBN = {0-8218-5131-4},
Pages = {31--59},
Year = {1991},
Publisher = {Providence, RI: American Mathematical Society},
Language = {English},
MSC2010 = {14N10 14H10 14L30},
Zbl = {0760.14022}
}