共 10 条
[2]
COE J, 1981, NRAO 300 TELESCOPE O
[4]
HAMILTON PA, 1977, MON NOT R ASTRON SOC, V180, P1
[7]
Morris D., 1981, Astronomy & Astrophysics Supplement Series, V46, P421
[9]
RANKIN JM, 1976, NAIC46 REPT