Kingdon, Robert2023-06-072023-06-072005https://unbscholar.lib.unb.ca/handle/1882/36865165 pagesprinten-CAhttp://purl.org/coar/access_right/c_16ecA calculation of the correction to Helmert orthometric heights for the spherical terrain effectsenior reportVaníček, PetrTR-875-SU 2005Geodesy and Geomatics Engineering