| 179, Minisurvey. No. 11 : Astr. Astrophys. 134 , C5 , 1984, (N = 54). No. 12 : (unpublished, contains no sources). No. 13 : Astr. Astrophys. 137 , C1 , 1984, (N = 18). No. 14 : Astr. Astrophys. 137 , C3 , 1984, (N = 24). No. 15 : Astr. Astrophys. 137 , C4 , 1984, (N = 34) | ====Sorry, no entry could be found==== | |