A study of the chromospherically active, short-period binary VZ piscium [microform] / Bruce J. Hrivnak, Edward F. Guinan, and Wenxian Lu ([NASA contractor report] ; NASA-CR-201948)
A study of the chromospherically active, short-period binary VZ piscium [microform] / Bruce J. Hrivnak, Edward F. Guinan, and Wenxian Lu
原資料の出版事項: [Washington, DC ; Springfield, Va. : National Aeronautics and Space Administration : National Technical Information Service, distributor, 1995]