1. The application of CCD in the astronomy orientation;Guo;Meas. Technol. Equip.,2005
2. Research on Theory and Algorithm for Measuring of Vertical Deflections Based on CCD and GPS[D];Song,2012
3. R. Schoebal, G.W. Hein, Renaissance of astrogeodetic levelling using GPS/CCD zenith camera, in: Proceedings of the IAIN World Congress in Association with the U.S. ION ANUUAL Meeting, 26–29, San Diego, CA.
4. Accuracy analysis of vertical deflection data observed with the Hannover DZCS System TZK2-D;Hirt;Springer,2008
5. DZCS system for Astro-Geodetic applications in Turkey;Kerem;J. Geod. Geoinform.,2012