Polarized Protons in HERA		302
	D.P. Barber, G.H. Hoffstaetter, DESY, Hamburg; M. Vogt, UNM, Albuquerque
	PAPER
	Bunched Beam Echos in the HERA Proton Ring		329
	G.H. Hoffstaetter, I.V. Agapov, E. Vogel, DESY, Hamburg
	PAPER
	Adiabatic Invariants for Spin-Orbit Motion		332
	G.H. Hoffstaetter, DESY, Hamburg; H.S. Dumas, UC, Cincinnati; J.A. Ellison, UNM, Albuquerque
	PAPER
	Beam Based Alignment of Combined Function Magnets in the Upgraded HERA Interaction Regions		365
	M. Seidel, F. Brinker, W. Decking, G.H. Hoffstaetter, J. Keil, T. Limberg, M. Minty, R. Wanzenberg, F. Willeke, DESY, Hamburg
	PAPER
	Measurement of HERA's Central RF Frequency		398
	G.H. Hoffstaetter, B. Holzer, F. Willeke, DESY, Hamburg; A. Meseck, HMI, Berlin
	PAPER
	Beam-Beam Limit with Hourglass Effect in HERA		401
	G.H. Hoffstaetter, F. Willeke, DESY, Hamburg
	PAPER
	Luminosity Scans at HERA		404
	G.H. Hoffstaetter, DESY, Hamburg
	PAPER
	Orbit-Response Matrix Analysis at HERA		407
	G.H. Hoffstaetter, J. Keil, DESY, Hamburg; A. Xiao, FNAL, Batavia
	PAPER
	Destabilising Effect of Linear Coupling in the HERA Proton Ring		1535
	E. Métral, CERN, Geneva; G.H. Hoffstaetter, F. Willeke, DESY, Hamburg
	PAPER