Pournelle, Jerry (March 1986). "All Sorts of Software". BYTE. p. 269. Retrieved 27 August 2015.
foldoc.org
This article is based on material taken from Kill+file at the Free On-line Dictionary of Computing prior to 1 November 2008 and incorporated under the "relicensing" terms of the GFDL, version 1.3 or later.
