DS DS/EN 28378-1
DS DSEN 28378-1 1991-JUL-09 nformaton processng - Data nterchange on 130 mm 525 n flexble dsk cartrdges usng modfed frequency modulaton recordng at 7 958 ftprad 38 tpmm 96 tp on both sdes - Part 1 Dmensonal physcal and magnetc characterstcs