1. Ionization chamber assay of radioactive gases;Tolbert,1956
2. Ionization chambers and counters;Rossi,1950
3. D.C. ionization chambers and the measurement of nuclear radiation;Palevsky,1954
4. An ion chamber for the determination of small amounts of tritium in other gases;Mattraw,1955
5. Quantitative Measurement of Beta Radioactive Noble Gases by Using a Spherical Ionization Chamber