References for the numbering systems

Col	Reference

--- ---------

1 Kopf E. 1943, Astr. Nach. 274, 69 - Mitt. Hamburg Bergedorf 8 no 52 -

2 Vogt H. 1924, Astr. Nach. 221, 41

3 Johnson H.L. 1954, Astrophys. J. 119, 181

4 Alcaino G. 1965, Lowell Obs. Bull. no 126

5 Mccarthy M.F., O'Sullivan S. 1969, Ric. Astr. 7 no 17

6 Sanders W.L., van Altena W.F. 1972, Astron. Astrophys. 17, 193

7 Prosser C. 1993, Astron. J. 105, 1441

8 de Wit W.J., et al., Astron. Astrophys. 448, 189


Back to the form