共 15 条
- [1] CROWTHER JA, 1909, P ROY SOC A, V82, P126
- [2] DUANE W, 1914, CLEVELAND M AM ROENT
- [3] DUANE W, 1922, AM J ROENTGENOL, V9, P781
- [4] Duane W, 1923, AM J ROENTGENOL RADI, V10, P399
- [5] Failla G, 1929, AM J ROENTGENOL RADI, V21, P47
- [6] A PORTABLE IONIZATION CURRENT COMPARATOR [J]. JOURNAL OF SCIENTIFIC INSTRUMENTS, 1957, 34 (01): : 27 - 30
- [8] KEMP LAW, 1954, AM J ROENTGENOL, V71, P853