Spectroscopic Orbit of the Eclipsing Symbiotic Star CH CYG Mikolajewski, M. ; Szczerba, R. ; Tomov, T. Abstract Publication: IAU Colloq. 103: The Symbiotic Phenomenon Pub Date: 1988 DOI: 10.1007/978-94-009-2969-2_39 Bibcode: 1988ASSL..145..221M