DIN EN 28630-2:1993-03
Отменен
Information processing; data interchange on 130 mm (5.25 in) flexible disk cartridges using modified frequency modulation recording at 13262 ftprad, on 80 tracks each side; part 2: track format A for 77 tracks (ISO 8630-2:1987); german version EN 28630-2:1992
— 12 стр.
