Kakkuri, J. (1973). Stellar triangulation with balloon-borne beacons. Finnish Geodetic Institute.
Chicago Style aipamenaKakkuri, Juhani. Stellar Triangulation with Balloon-borne Beacons. Helsinki: Finnish Geodetic Institute, 1973.
MLA aipamenaKakkuri, Juhani. Stellar Triangulation with Balloon-borne Beacons. Finnish Geodetic Institute, 1973.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.