共 10 条
[1]
HELLIWELL RA, 1958, P IRE, V46, P1760
[2]
HELLIWELL RA, 1956, LOW FREQUENCY PROP 1
[4]
NORINDER H, 1956, ARK GEOFYS, V2, P423
[5]
NORINDER H, 1952, J FRANKLIN I, V253, P492
[6]
NORINDER H, 1954, ARK GEOFYSIK, V2, P161
[7]
NORINDER H, 1957, ARK GEOFYS, V2, P515
[8]
PAPETLEPINE J, 1958, ARK GEOFYSIK, V3, P79
[9]
STOFFREGEN W, 1947, ARK MAT ASTR FYS A, V34
[10]
WAIT J, 1957, S PROPAGATION VLF RA, V4, P23