Positions, orbit, and mass of Pluto
By: by Seth B. Nicholson and Nicholas U. Mayall ...
Contributors: Mayall, N. U. 1906- joint author.
Series: Contributions from the Mount Wilson Observatory.; no. 417
Published: 1931
Place of publication: [Chicago
Language: eng
Number of pages: 12
Subjects: Pluto (Planet)
Notes: Cover-title.
At head of title: Carnegie Institution of Washington.
"Reprinted from the Astrophysical Journal, vol. LXXIII, 1931."