ISO 5654-1:1984 Information processing - Data interchange on 200 mm (8 in) flexible disk cartridges using two-frequency recording at 13 262 ftprad, 1,9 tpmm (48 tpi), on one side - Part 1: Dimensional, physical and magnetic characteristics
Defines dimensional, physical and magnetic characteristics of the 200 mm (8 in) flexible disk cartridges using two-frequency recording at 13 262 ftprad on one side so as to provide physical interchangeability between data processing systems.