1. Thornton D. A., 1989, PhD Thesis, Calculating the responses of self-powered radiation detectors
2. Warren H. D., 1974, Nuc. Sci. Eng., 48, p.337
3. Hall D. S., 1982, IEEE Trans. Nuc. Sci., NS–29 No.1, p.646
4. Tobias A., 1976, CEGB report RD/B/M3740, The average energy of beta spectra
5. Snidow N. L. and Warren H. D., 1967, Nuc. Inst. Meth., 51, p.109