Ekenberg, B. (1945). A study of visual binary stars with regard to the errors of observation and the problem of orbit determination. [publisher not identified].
Chicago Style (17th ed.) CitationEkenberg, Bengt. A Study of Visual Binary Stars with Regard to the Errors of Observation and the Problem of Orbit Determination. Lund: [publisher not identified], 1945.
MLA (9th ed.) CitationEkenberg, Bengt. A Study of Visual Binary Stars with Regard to the Errors of Observation and the Problem of Orbit Determination. [publisher not identified], 1945.
Warning: These citations may not always be 100% accurate.