1. The use of standard lenses for verifying the accuracy of otf equipment;Williams;Applied Optics,1969
2. The description of optical image quality;Greenland;SIRA Review,1969
3. Supplementary criteria for laboratory approval—measurements of the optical transfer function of systems;British Calibration Service,1970
4. Use of slits in measurement of the optical transfer function;Ironside;SIRA Report A354,1969
5. The influence of microscope objectives on the measurement of the modulation transfer function of optical systems;Kuttner;Optica Acta,1969