BS 5550-6.4:1980 Cinematography. Television usage - Recommendations for the density range, contrast and colour balance of films and slides for colour television
1970BS 5550-6.4:1980 Cinematography. Television usage - Recommendations for the density range, contrast and colour balance of films and slides for colour television
1970BS 5550-6.4:1970 Cinematography - Television usage - Recommendations for the density range, contrast and colour balance of films and slides for colour television