@conference {41263,
	title = {Proceedings, 4th ECFA / DESY Workshop on Physics and Detectors for a      90-GeV to 800-GeV Linear e$^+$ e$^-$ Collider: Amsterdam, Netherlands,
      April 1-4, 2003
},
	year = {2004},
	month = {2004},
	publisher = {DESY},
	organization = {DESY},
	address = {Hamburg, Germany},
	author = {Ackermann, K. and others}
}
