CAN/CGSB 186.17-94/ 8860/2:1987
CAN/CGSB 186.17-94/ISO 8860/2:1987
Information Processing - Data Interchange on 90 mm (3.5 in) Flexible Disk Cartridges Using Modified Frequency Modulation Recording at 7 958 ftprad, on 80 Tracks on Each Side - Part 2: Track Format
standard published 06/01/1994 by Canadian General Standards Board