... A.N.Dejch, "Unsationary Phenomena in Galaxies" (in russian), p.130, Erevan, 1968. ... Szeidl, "Variable Stars in the Globular Clusters and Related Systems", IAU Coll N21 ...
... A.N.Dejch, "Unsationary Phenomena in Galaxies" (in russian), p.130, Erevan, 1968 ... Szeidl, "Variable Stars in the Globular Clusters and Related Systems", IAU Coll N21 ...
... A.N.Dejch, "Unsationary Phenomena in Galaxies" (in russian), p.130, Erevan, 1968 ... Szeidl, "Variable Stars in the Globular Clusters and Related Systems", IAU Coll N21 ...