@article {BKP2001,
	title = {An intermittent fluid system with exponential on times and semi-Markov input rates},
	journal = {Probability in the Engineering and Informational Sciences},
	volume = {15},
	year = {2001},
	pages = {189-198},
	author = {Boxma, O. and Kella, O. and Perry, D.}
}
