<hi xmlns="http://www.tei-c.org/ns/1.0" rend="bold">National Semiconductor Corporation</hi> (1989): Mass Storage Handbook, Section 5: Floppy Disk Controller. Santa Clara: National Semiconductor. (archiviert unter: <ref xmlns="http://www.tei-c.org/ns/1.0" target="https://archive.org/details/bitsavers_nationaldaageHandbook1989MassStorageHandbook05_7620763/page/n29">Internet Archive</ref>)