| On the adjustment of combined GPS/levelling/geoid networks C Kotsakis, MG Sideris Journal of geodesy 73, 412-421, 1999 | 254 | 1999 |
| How accurately can we determine orthometric height differences from GPS and geoid data? G Fotopoulos, C Kotsakis, MG Sideris Journal of surveying engineering 129 (1), 1-10, 2003 | 79 | 2003 |
| Estimation of the zero-height geopotential level W o LVD in a local vertical datum from inversion of co … C Kotsakis, K Katsambalos, D Ampatzidis Journal of geodesy 86, 423-439, 2012 | 68 | 2012 |
| Quality analysis of global geopotential models at 1542 GPS/levelling benchmarks over the Hellenic mainland C Kotsakis, K Katsambalos Survey Review 42 (318), 327-344, 2010 | 57 | 2010 |
| Transforming ellipsoidal heights and geoid undulations between different geodetic reference frames C Kotsakis Journal of Geodesy 82, 249-260, 2008 | 43 | 2008 |
| Evaluation of GOCE/GRACE Global Geopotential Models over Greece with collocated GPS/Levelling observations and local gravity data GS Vergos, VN Grigoriadis, IN Tziavos, C Kotsakis Gravity, Geoid and Height Systems: Proceedings of the IAG Symposium GGHS2012 …, 2014 | 31 | 2014 |
| Least-squares collocation with covariance-matching constraints C Kotsakis Journal of Geodesy 81 (10), 661-677, 2007 | 31 | 2007 |
| Estimating crustal deformation parameters from geodetic data: Review of existing methodologies, open problems and new challenges A Dermanis, C Kotsakis Geodetic Deformation Monitoring: From Geophysical to Engineering Roles: IAG …, 2006 | 29 | 2006 |
| Hellenic terrestrial reference system 2007 (HTRS07): a regional realization of ETRS89 over Greece in support of HEPOS K Katsambalos, C Kotsakis, M Gianniou Bulletin of Geodesy and Geomatics 69 (2-3), 151-64, 2010 | 28 | 2010 |
| A new Canadian geoid model in support of levelling by GPS G Fotopoulos, C Kotsakis, MG Sideris Geomatica 54 (1), 53-62, 2000 | 28 | 2000 |
| Evaluation of EGM08 using GPS and leveling heights in Greece C Kotsakis, K Katsambalos, D Ampatzidis, M Gianniou Gravity, Geoid and Earth Observation: IAG Commission 2: Gravity Field …, 2010 | 26 | 2010 |
| Reference frame stability and nonlinear distortion in minimum-constrained network adjustment C Kotsakis Journal of Geodesy 86, 755-774, 2012 | 24 | 2012 |
| Estimation of the reference geopotential value for the local vertical datum of continental Greece using EGM08 and GPS/leveling data VN Grigoriadis, C Kotsakis, IN Tziavos, GS Vergos Gravity, Geoid and Height Systems: Proceedings of the IAG Symposium GGHS2012 …, 2014 | 23 | 2014 |
| A covariance-adaptive approach for regularized inversion in linear models C Kotsakis Geophysical Journal International 171 (2), 509-522, 2007 | 20 | 2007 |
| Evaluation of Geoid Models and Their Use in Combined GPS-levelling-geoid Height Network Adjustments G Fotopoulos, C Kotsakis, MG Sideris IAGB, 1999 | 20 | 1999 |
| Optimal fitting of gravimetric geoid undulations to GPS/levelling data using an extended similarity transformation model C Kotsakis, G Fotopoulos, MG Sideris Annual Scientific Meeting of the Canadian Geophysical Union, Ottawa, Canada …, 2001 | 19 | 2001 |
| Generalized inner constraints for geodetic network densification problems C Kotsakis Journal of Geodesy 87, 661-673, 2013 | 18 | 2013 |
| The multiresolution character of collocation C Kotsakis Journal of Geodesy 74, 275-290, 2000 | 17 | 2000 |
| On the importance of intra-frame and inter-frame covariances in frame transformation theory C Kotsakis, A Vatalis, F Sanso Journal of Geodesy 88, 1187-1201, 2014 | 16 | 2014 |
| Evaluation of EGM08 in Greece using GPS and leveling heights C Kotsakis, K Katsambalos, D Ampatzidis, M Gianniou IAG International Symposium on Gravity, Geoid and Earth Observation, Chania …, 2008 | 16 | 2008 |
