Information processing - Data interchange on 130 mm (5.25 In) flexible disk cartridges using twoFrequency recording at 7 958 ftprad, 1.9 tpmm (48 Tpi), on one side: Part 1 dimensional, physical and magnetic characteristics (First Revision)
Information technology - Data interchange on 130 mm (5.25 In) flexible disk cartridges using 3 frequency modulation recording at 7 958 ftprad, 1.9 tpmm (48 Tpi), on both sides - Iso type 202: Part 1 dimensional, physical and magnetic characteristics (First Revision)
Information processing - Data interchange on 130 mm 525 in flexible disk cartridges using modified frequency modulation recording at 7 958 ftprad 19 tpmm 48 tpi on both sides PART 3 Track format B
Information processing - 9 - Track, 12.7 mm (0.5 In) wide magnetic tape for information interchange using NRZI at 32 ftpmm (800 Ftpi) - 32 cpmm (800 Cpi) (First Revision)
Information processing - 9 - Track, 12.7 mm (0.5 In) wide magnetic tape for information interchange using phase encoding at 126 ftpmm (3 200 Ftpi) - 63 cpmm (1 600 Cpi) (First Revision)