Issue No.04 - October-December (1982 vol.2)
Kim Eckert , Motorola, Inc.
The presence of "smart" peripherals in a microcomputer system makes it, in effect, a multiprocessor system. This view led to the design of a simple, general-purpose interface.
Kim Eckert, "A Multiprocessor Interface", IEEE Micro, vol.2, no. 4, pp. 67-70, October-December 1982, doi:10.1109/MM.1982.291040