1. Height interpolation by the method of finite elements;Ebner,1978
2. Experiences with height interpolation by finite elements;Ebner,1981
3. Calibrating non-metric cameras using the finite element method;Munjy;Photogrammetric Engineering and Remote Sensing,1986
4. Self calibration using the finite element approach;Munjy;Photogrammetric Engineering and Remote Sensing,1986
5. Corrections to X-parallaxes;Thompson;Photogrammetric Record,1968