ISO 9236-1:1996 Photography — Sensitometry of screen/film systems for medical radiography — Part 1: Determination of sensitometric curve shape, speed and average gradient
2004ISO 9236-1:2004 Photography - Sensitometry of screen/film systems for medical radiography - Part 1: Determination of sensitometric curve shape, speed and average gradient
1996ISO 9236-1:1996 Photography — Sensitometry of screen/film systems for medical radiography — Part 1: Determination of sensitometric curve shape, speed and average gradient