共 21 条
[2]
BAKER AE, 1928, P ROY SOC EDINB, V48, P106
[5]
BOKSENBERG A, 1973, ASTRONOMICAL OBSERVA, P21
[6]
DAVIES R, 1979, THESIS U CAMBRIDGE
[7]
DEVAUCOULEURS G, 1976, 2ND REF CAT BRIGHT G
[9]
EKERS RD, 1970, AUST J PHYS, V23, P217