1 Nakijima T, Watanabe S . Int J Appl Radiat Isot, 1976; 27: 113
2 Mische E F, Mckeever S W S . Radiation Protection Dosimetry, 1989; 29(3): 159
3 Kristianpoller N, Chen R, Israeli M . J Phys, 1974; D7: 1063
4 Chen R . J Electrochem Soc, 1969; 116: 1254
5 Bonfiglioli G, Brovetto P, Cortese C . Phys Rev, 1959; 114: 951