@book{8681,
	author = {International Symposium on Semi-Markov Processes and Their Applications and Janssen, Jacques,},
	title = {Semi-Markov models :},
	publisher = {Plenum Press,},
	year = {c1986.},
	address = {New York ;},
	note = {"Proceedings of an International Symposium on Semi-Markov Processes and Their Applications, held June 4-7, 1984, in Brussels, Belgium"--T.p. verso.}
}