|  | R. Sundelin, J. Kirchgessner, D. Rice, M. Tigner, and E. von Borstel, “3 GHz Superconducting Accelerator Cavity for Use in an Electron Synchrotron”, in Proc. 5th Particle Accelerator Conf. (PAC'73), San Francisco, CA, USA, Mar. 1973, pp. 98-101. | 
            
            |  | R. Sundelin, M. Tigner, and E. von Borstel, “RF Phase Control System”, in Proc. 5th Particle Accelerator Conf. (PAC'73), San Francisco, CA, USA, Mar. 1973, pp. 593-596. | 
            
            |  | J. Kirchgessner et al., “Superconducting Cavities for Synchrotron Use”, in Proc. 6th Particle Accelerator Conf. (PAC'75), Washington D.C., USA, Mar. 1975, pp. 1141-1144. | 
            
            |  | R. Sundelin et al., “Superconducting Cavity Beam Test in CESR”, in Proc. 10th Particle Accelerator Conf. (PAC'83), Santa Fe, NM, USA, Mar. 1983, pp. 3336-3339. |