Development of Software to Control 8 Motor Elliptically Polarizing Undulators Johnson, E. A. ; Spackman, C. ; Thanell, J. T. ; Wallen, E. J. ; Deyhim, A. Abstract Publication: 22nd Particle Accelerator Conference (PAC 07) Pub Date: 2007 Bibcode: 2007pac..conf.1239J