1. A new method for the determination of the distortion and the inner orientation of cameras and projectors;Hallert;Photogrammetria,1954
2. Investigations of the weights of image coordinates in aerial photographs;Hallert;Photogrammetric Eng.,1961
3. Analytisce Luftphotogrammetrie;Hallert;Schweiz. Z. Vermess., Kulturtech. Photogrammetrie,1964
4. The stability of the film. Measurements in diapositives made from the same negative;Morén;Svensk Lantmätiritidskr.,1964
5. Various transformations for correction of error caused by film distortion;Talts;Svensk Lantmäteritidskr.,1964