共 11 条
- [1] Babocock H.W, 1939, LICK OBSERVATORY B, V498, P41, DOI DOI 10.5479/ADS/BIB/1939LICOB.19.41B
- [2] BOTTLINGER KF, 1933, VEROFF BERLIN BABELS, V10
- [3] FRICKE W, 1949, ASTRON NACHR, V277, P241
- [4] LOHMANN W, 1948, Z ASTROPHYS, V25, P293
- [5] SCHMIDT H, 1950, A N, V279, P157
- [7] WILLIAMS E, 1947, A J, V53, P92
- [8] WILLIAMS E, 1947, A J, V53, P72
- [9] 1940, A N, V270, P249
- [10] 1935, AP J, V81, P57