• The 5 mm geoid model for Estonia computed by the least squares modified Stokes’s formulaEllmann, Artu; Märdla, Silja; Oja, TõnisSurvey review2020 / p. 352-372 : ill https://doi.org/10.1080/00396265.2019.1583848 https://www.scopus.com/sourceid/17473 https://www.scopus.com/record/display.uri?eid=2-s2.0-85062478799&origin=inward&txGid=6e6e7b2d14afd84cc4ad708e59a5666d https://jcr.clarivate.com/jcr-jp/journal-profile?journal=SURV%20REV&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000465842000001