Fricke, W. (1972). On the motion of the equator and the ecliptic. Astronomisches Rechen-Institut.
Chicago Style (17th ed.) CitationFricke, Walter. On the Motion of the Equator and the Ecliptic. Heidelberg: Astronomisches Rechen-Institut, 1972.
MLA (9th ed.) CitationFricke, Walter. On the Motion of the Equator and the Ecliptic. Astronomisches Rechen-Institut, 1972.
Warning: These citations may not always be 100% accurate.