1. Kr�mer, D., Becker, K., Blatt, K., Caplar, R., Fick, D., Gemmeke, H., Haeberli, W., J�nsch, H., Karban, O., Koenig, I., M�bius, K.-H., Necas, V., Ott, W., Tanaka, M., Tungate, G., Turkiewicz, I.M., Weller, A., Steffens, E.: Nucl. Instrum. Methods220, 123 (1984)
2. Karban, O., Cohler, M.D., Fick, D., Griffiths, R.J., Johnson, R.C., Jones, G.D., Lilley, J.S., Roman, S., Steffens, E.: Proposal for polarized ion sources at the NSF: Technical Memorandom Daresbury Laboratory (February 1980) DL/NUC/TM 48E
3. Haeberli, W.: Private communication
4. Fox, J.: Florida State University accelerator upgrade proposal. (NSF 1981)
5. Zupranski, P., Dreves, W., Egelhof, P., Steffens, E., Fick, D., R�sel, F.: Nucl. Instrum. Methods167, 193 (1979)