1. Proc. 8th Int. EMIS Conf. Low Energy Accelerators and Separators;Spejewski,1973
2. Proc. Isotope Separator On-Line Workshop;Spejewski,1977
3. Systematic investigation of a magnetic ion source for an electromagnetic isotope separator
4. Model 910, Danfysik A/S, Jyllinge, Denmark.
5. Fiber Materials, Inc., Biddeford, Maine, USA.