@article {27424,
	title = {Phase space interpretation of exponential Fermi acceleration},
	journal = {NEW JOURNAL OF PHYSICS},
	volume = {13},
	year = {2011},
	month = {2011},
	isbn = {1367-2630},
	author = {Liebchen, B. and Buchner, R and Petri, C. and Diakonos, F. K. and Lenz, F. and Schmelcher, P.}
}
