1. J.H. Freeman, Proc. Int. Mass Spec. Conf. (Kyoto, Japan); also A.E.R.E. Report R6254.
2. J.H. Freeman, L.R. Caldecourt, K.C.W. Done and R.J. Francis, A.E.R.E. Report R6496.
3. Lintott Specification Sheets 1038B and 1248A.
4. Lintott Patent No. 1389294.
5. Ion implantation;Dearnaley,1973