TY - RPRT TI - Chromospherically active stars. 13: HD 30957: A double lined K dwarf binary AU - Fekel, Francis C. AU - Dadonas, Virgilijus AU - Sperauskas, Julius AU - Vaccaro, Todd R. AU - Patterson, L. Ronald PY - 1994 UR - https://ntrs.nasa.gov/citations/19950033940 ID - 19950033940 ER -