Assertion: ellipsoid | /r/HasProperty | adopted in practical geodesy
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text: , John Michael Hollas, , page 133, 2004 , Alfred Leick, GPS Satellite Surveying , 3rd Edition, page 367, Because only ellipsoids of rotation have been adopted in practical geodesy and surveying and triaxial ellipsoids have been limited to theoretical studies, we will use the term ellipsoid for brevity to mean ellipsoid of rotation.