Niinisalo calibration base line.
Series: Publications of the Finnish Geodetic Institute, no. 69; Suomen geodeettisen laitoksen julkaisuja ;; n:o 69.
Published: 1970
Place of publication: Helsinki
Language: eng
Number of pages: 96
Subjects: Base measuring.; Geodesy -- Finland.
Notes: Bibliography: p. 79.
"Reprinted from the Geophysica, vol. 11, 1970."