Pre-recorded optical reflective videodisk system "Laser vision" 50 Hz/625 lines; PAL (IEC 60856:1986 + A1:1993); German version EN 60856:1993 + A1:1993— 27 стр.
Pre-recorded optical reflective videodisk system "Laser vision" 50 Hz/625 lines; PAL (IEC 60856:1986/A2:1997); Amendment A2; German version EN 60856:1993/A2:1997— 13 стр.