@article { bilbaoandsmithjasp04-bogus-right?,
	title = {Energy-conserving Finite Difference Schemes for Nonlinear Strings},
	journal = {EURASIP Journal on Applied Signal Processing},
	volume = {4},
	year = {2004},
	note = {(special issue on string modeling), in review},
	author = {Stefan Bilbao and Julius O. Smith}
}
