2010BS ISO 5-2:2010 Photography and graphic technology. Density measurements Geometric conditions for transmittance density
2010BS ISO 5-2:2009 Photography and graphic technology - Density measurements - Geometric conditions for transmittance density
2001BS 1384-2:2001 Photographic density measurements - Geometric conditions for transmission density
BS ISO 5-2:2009 Photography and graphic technology - Density measurements - Geometric conditions for transmittance density has been changed from BS 1384-2:2001 Photographic density measurements - Geometric conditions for transmission density.