1. Backscattering spectrometry;Chu,1978
2. Introduction to radioanalytical physics;Deconninck,1978
3. J. R. Bird, B. L. Campbell and R. J. Cawley, AAEC/E443 (1978) and supplement.
4. D. J. Land et al., Proc. 2nd Conf. on Ion beam surface layer analysis (Plenum Press, New York, 1976) p. 851.