共 8 条
[1]
Bajaja E., 1970, Astronomical Journal, V75, P667, DOI 10.1086/111006
[2]
DEWHIRST DW, 1963, RADIO ASTRONOMY TODA
[3]
HOFFLEIT D, 1970, T ASTR OBS YALE U, V30
[4]
Lu P. K., 1970, Astronomical Journal, V75, DOI 10.1086/111072
[5]
LU PK, 1971, T ASTR OBS YALE U, V31
[6]
MILLS, 1963, P I RADIO ENGRS AUST, V24, P156
[7]
VAUCOULEURS GD, 1964, REFERENCE CATALOGUE