Note 591 — Chapter XVIII · ECLIPSING STARS.
Reading edition
Astr. Nach. Nos. 3091, 3467; Astr. Journ. No. 265; Trans. Swedish Acad. of Sciences, 1892, No. 7.
Reading edition
Astr. Nach. Nos. 3091, 3467; Astr. Journ. No. 265; Trans. Swedish Acad. of Sciences, 1892, No. 7.