DS DS/EN 28630-1
DS DSEN 28630-1 1992-NOV-30 nformaton processng - Data nterchange on 130 mm 525 n flexble dsk cartrdges usng modfed frequency modulaton recordng at 13 262 ftprad on 80 tracks on each sde - Part 1 Dmensonal physcal and magnetc characterstcs