1. W. Snyder and J. Neufeld, Brit. J. Radiology28, 330, 342 (1955).
2. W. Snyder and J. Neufeld, ORNL-LR-DW 11192-11205.
3. W. Snyder and J. Neufeld, ORNL-LR-DW 11546; 19164.
4. H. Rossi, Radiation Dosimetry, edited by G. Hine, and G. Browell [Russian translation], (IL, Moscow, 1958) p. 549.
5. H. Bethe and J. Ashkin, Experimental Nuclear Physics, edited by E. Segre [Russian translation] (IL, Moscow, 1955), Vol. 1, p. 143.