1. Superconducting heavy ion cyclotron;Bigham;AECL-4654,1973
2. Superconducting heavy ion cyclotron;Bigham;U.S. Patent No. 3, 968, 522,1975
3. and Canadian Patent No. 966, 893 (issued April 29, 1975).
4. Focusing properties of superconducting cyclotron magnets
5. Static and dynamic electricity;Smythe,1939