共 18 条
[12]
LAFFERTY JM, 1962, SCIENTIFIC FOUNDATIO
[13]
LAFRAMBOISE JG, 1966, UTIAS100 U TOR I AER
[17]
von Engel A., 1965, IONIZED GASES
[18]
WOOLSEY GA, 1960, J ELECTRON CONTR, V9, P467