@book{39452,
	author = {Hilton, Peter John. and Battelle Seattle Research Center.},
	title = {Structural stability, the theory of catastrophes, and applications in the sciences},
	publisher = {Springer-Verlag},
	year = {1976.},
	series = {Lecture notes in mathematics ; 525},
	address = {Berlin},
	note = {920306}
}