DIN EN 29529-2:1992-09
Отменен
Information processing systems; data interchange on 90 mm (3.5 in) flexible disk cartridges using modified frequency modulation recording at 15916 ftprad, on 80 tracks on each side; part 2: track format (ISO/IEC 9529-2:1989); german version EN 29529-2:1991
— 8 стр.