1. K. H. Purser, Proc. of the 1972 Symp. of North Eastern Accelerator Personnel Meeting, Florida State University, Tallahasse, Florida.
2. R. Middleton, Proc. of the 1972 Symp. of North Eastern Accelerator Personnel Meeting, Florida State University, Tallahassee, Florida.
3. Negative Ion Sources for Various Elements
4. Emission of Negative Ions from Metal Surfaces Bombarded by Positive Cesium Ions