TY - RPRT TI - Federal Information Processing Standards Publication: information processing - data interchange on 130 mm (5.25 in) flexible disk cartridges using two-frequency recording a 7958 ftprad, 1.9 tpmm (48 tpi), one one side - part 2: track format PY - 1985 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS FIPS 116-Apr1985 DO - 10.6028/NBS.FIPS.116-Apr1985 ER -