@article {27390,
	title = {Invariant currents in lossy acoustic waveguides with complete local symmetry},
	journal = {PHYSICAL REVIEW B},
	volume = {92},
	year = {2015},
	month = {2015},
	isbn = {1098-01211550-235X},
	author = {Kalozoumis, P. A. and Richoux, O. and Diakonos, F. K. and Theocharis, G. and Schmelcher, P.}
}
