@booklet {306,
	title = {Acyclic Discrete Phase Type Distributions: Properties and a Parameter Extimation Algorithm},
	journal = {PERFORMANCE EVALUATION},
	volume = {54},
	year = {2003},
	pages = {1{\textendash}32},
	author = {A. BOBBIO and A. HORVATH and Marco Scarpa and M. TELEK}
}
@booklet {314,
	title = {Design and implementation of a WEB-based non-Markovian stochastic Petri net tool},
	journal = {Advances in Computer and Information Sciences {\textquoteright}98},
	volume = {53},
	year = {1998},
	pages = {101{\textendash}109},
	publisher = {IOS PRESS},
	address = {Amsterdam},
	author = {A. HORVATH and A. Puliafito and Marco Scarpa and M. TELEK and O. TOMARCHIO}
}
