The supplement to the catalogue of RR Lyrae stars elements. Dereviagin, V. G. ; Lysova, L. E. ; Rudenko, A. N. ; Furmaniuk, B. N. ; Tsessevich, V. P. Abstract Publication: Astronomicheskij Tsirkulyar Pub Date: 1983 Bibcode: 1983ATsir1254....6D