| ←Author Index: He | Frederick Robert Helmert (1843–1917) |
This author wrote articles for the 1911 Encyclopædia Britannica. Articles attributed to this author are designated in EB1911 by the initials "F. R. H." |
Works
- Die Ausgleichsrechnung nach der Methode der kleinsten Quadrate (The compensation calculation by the method of the least squares); 1872, with a second edition in 1907
- "Earth, Figure of the," in Encyclopædia Britannica (11th ed., 1911) (in part)
- "Geodesy," in Encyclopædia Britannica (11th ed., 1911) (in part)
Works by this author published before January 1, 1925 are in the public domain worldwide because the author died at least 100 years ago. Translations or editions published later may be copyrighted. Posthumous works may be copyrighted based on how long they have been published in certain countries and areas.
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