1. Proc. 11th Int. Conf. on Cyclotrons and their Applications;Blosser,1986
2. First operation of the Chalk River superconducting cyclotron
3. Proc. 12th Int. Conf. on Cyclotrons and their Applications;Schmeing,1989
4. Proc. 11th Int. Conf. on Cyclotrons and their Applications;May,1986
5. 12th Int. Conf. on Cyclotrons and their Applications,1989