ANSI INCITS 56-1986 Information Systems - Recorded Magnetic Tape Cartridge for Information Interchange - 4 Track 0.250 Inch (6.30 mm) 1600 bpi (63 bpmm) Phase Encoded.pdf
ANSI INCITS 56-1986 (R2002) (formerly ANSI X3.56-1986 (R1996) ) for Information Systems Unrecorded Magnetic Tape Cartridge for Information Interchange 4-Track, 0.250 Inch (6.30 mm), 1600 bpi (63 bpmm), Phase Encoded