IEC 61834-4:1998/AMD1:2010
IEC 61834-4:1998/AMD1:2010 Amendment 1 - Recording - Helical-scan digital video cassette recording system using 6,35 mm magnetic tape for consumer use (525-60, 625-50, 1125-60 and 1125-50 systems) - Part 4: Pack header table and contents
