ANSI/INCITS-72-PDF Complete Document History
Parallel Recorded Magnetic Tape Cartridge for Information Interchange 4 Track, 0.250 Inch

Complete Current Edition:
   1981 R03 EDITION - REAFFIRMED IN 2003 - Jan. 1, 2003

Obsolete Revision Information:
   1981 EDITION - REAFFIRMED IN 2003 - March 13, 1981