1. V. G. Harrison, W. A. Gow and K. C. Ivarson, CANMET 65-13, July (1965).
2. V. F. Harrison, W. A. Gow and M. R. Hugheson, CANMET 66-1, February (1966).
3. V. F. Harrison, W. A. Gow and M. R. Hugheson, CANMET 66-16, August (1966).
4. M. R. Hugheson and S. Kaiman, CANMET 65-64, Sept. (1965).
5. M. R. Hugheson and S. Kaiman, CANMET 66-40, May (1966).