Tosio Huzioka, Zyungo Yosida, Hirobumi Oura, Kenji Kojima, Seiiti Kinosita, Daisuke Kuroiwa,
Physical Studies on Deposited Snow. V. ; Dielectric Properties. Contributions from the Institute of Low Temperature Science, Hokkaido University. ,vol. 14, pp. 1- 33 ,(1958)