2017, General Catalogue of Variable Stars: Version GCVS 5.1, Astronomy Reports, vol. 61, No. 1, pp. 80-88 VizieR On-line Data Catalog: B/gcvsSamus N.N., E.V. Kazarovets, O.V. Durlevich, N.N. Kireeva and E.N. Pastukhova. 2017 General Catalogue of Variable Stars: Version GC...