@article {CalvoGiraldo:1372181,
	title = {The {LHC} Beam Position System: Performance during 2010 and Outlook for 2011},
	journal = {Conf. Proc.},
	number = {CERN-BE-2011-010},
	year = {2011},
	month = {5},
	pages = {TUPD12. 3 p},
	url = {http://cds.cern.ch/record/1372181/files/CERN-BE-2011-010.pdf},
	author = {Calvo Giraldo, E and Gonzalez, J L and Jensen, L K and Jones, O R and Lefevre, T and Savioz, J J and Steinhagen, Ralph J and Wenninger, J}
}
@article {Steinhagen:1206845,
	title = {On the Continuous Measurement of the LHC Beta-Function - Prototype Studies at the {SPS}},
	number = {CERN-ATS-2009-031},
	year = {2009},
	month = {5},
	pages = {4 p},
	url = {http://cds.cern.ch/record/1206845/files/th5rfp037.pdf},
	author = {Steinhagen, Ralph J and Boccardi, A and Calvo Giraldo, E and Gasior, M and Gonzalez, J L and Jones, O R}
}