2016BS ISO 2470-1:2016 Paper, board and pulps. Measurement of diffuse blue reflectance factor. Indoor daylight conditions (ISO brightness)
2009BS ISO 2470-1:2009 Paper, board and pulps - Measurement of diffuse blue reflectance factor - Indoor daylight conditions (ISO brightness)
BS ISO 2470-1:2009 Paper, board and pulps - Measurement of diffuse blue reflectance factor - Indoor daylight conditions (ISO brightness) has been changed from BS ISO 2470:2000 Paper, board and pulps - Measurement of diffuse blue reflectance factor (ISO brightness).