共 15 条
[4]
Beckers J.M., 1968, SOPH, V3, P367, DOI DOI 10.1007/BF00171614
[5]
BECKERS JM, 1969, PRIVATE COMMUNICATIO
[6]
ELLISON MA, 1947, J BRIT ASTRON ASSOC, V57, P229
[8]
HAUGEN E, 1967, SOL PHYS, V2, P227
[9]
Michard R., 1956, ANN ASTROPHYSIQUE, V19, P1
[10]
NOYES RW, 1965, IAU28 S, P468