1. Image Evaluation for Aerial Photography: An Appraisal of Current Techniques;Brock,1970
2. Photographic modulation transfer functions;DeBelder,1972
3. The use of edge gradients in determining modulation transfer functions;Scott;Photogr. Sci. Eng.,1963
4. Imaging characteristics of photogrammetric camera systems;Welch;Photogrammetria,1973