Measuring of the refraction in the second levelling of Finland.
Series: Suomen geodeettisen laitoksen julkaisuja ;; n:o 63
Published: 1967
Place of publication: Helsinki
Language: eng
Number of pages: 18
Subjects: Leveling -- Finland.; Refraction, Terrestrial.; Earth temperature -- Measurement -- Instruments.
Notes: Bibliography: p. [19]