Information technology. Data interchange on 90 mm flexible disk cartridges using modified frequency modulation recording at 31 831 ftprad on 80 tracks on each side. ISO Type 303— 56 стр.
Information processing; data interchange on 90 mm (3.5 in) flexible disk cartridges using modified frequency modulation recording at 7958 ftprad on 80 tracks on each side; part 1: dimensional, physical and magnetic characteristics; technical corrigendum 1— 2 стр.
Information processing; data interchange on 90 mm (3.5 in) flexible disk cartridges using modified frequency modulation recording at 7958 ftprad on 80 tracks on each side; part 2: track format; technical corrigendum 1— 1 стр.
