Auslander, M. A.; Jaffe, J. F. (1973). "Functional structure of IBM virtual storage operating systems, Part I: Influences of dynamic address translation on operating system technology". IBM Systems Journal. 12 (4). IBM: 368–381. doi:10.1147/sj.382.0340.
"DPD chronology (1970–1974)". IBM. 23 January 2003. Archived from the original on October 23, 2009. DPD = Data Processing Division, which was responsible for IBM's medium and large systems.
"DPD chronology (1970–1974)". IBM. 23 January 2003. Archived from the original on October 23, 2009. DPD = Data Processing Division, which was responsible for IBM's medium and large systems.