1. Abdel-Aziz, Y. I., & Karara, H. M. (1971). Direct linear transformation from comparator coordinates into object space coordinates. In Proceedings of the ASP symposium on close-range photogrammtery, Falls Church, VA (pp. 1–18).
2. Brown, D. C. (1971). Close-range camera calibration. Photogrammetric Engineering,37(8), 855–866.
3. Buchwald, A. (2011). A production method for conversion of scanned historic aerial imagery into orthophotos using the rational function model. Master’s Thesis, University of Redlands, Redlands, California (pp. 83–83).
4. Carrivick, J. L., Smith, M. W., & Quincey, D. J. (2016). Structure from motion in the geosciences (p. 208). Hoboken: Wiley-Blackwell. ISBN 978-1-118-89584-9.
5. Di, K., Ma, R., & Li, R. (2003a). Rational functions and potential for rigorous sensor model recovery. Photogrammetric Engineering & Remote Sensing,69(1), 33–44.