1. High precision aerial triangulation with point transfer by digital image correlation;Ackermann;International Archives of Photogrammetry and Remote Sensing,1986
2. On the geometric precision of digital correlation;Förstner;Ibid.,1982
3. Results of Test 2 on gross error detection of ISP WG III/1 and OEEPE;Förstner;Ibid.,1984
4. Grün , A. W. 1985 Adaptive least squares correlation-a powerful image matching technique Presented Paper to the ACSM-ASP convention, Washington D.C. 12 pages