1. Measurements of ionization
2. P. G. Bizzetti and M. Delia Corte in Proc. 2nd International Conference on Nuclear Photography, Montreal, 1958, p. 283 (1959).
3. Nuclear Research Emulsions;Barkas,1963
4. Width of Ion and Monopole Tracks in Emulsion
5. Width of Heavy-Ion Tracks in Emulsion