Issue No. 06 - November/December (1983 vol. 3)
Clayton Huntsman , Motorola, Inc.
Duane Cawthron , Motorola, Inc.
This device, a hardware implementation of the proposed IEEE floating-point standard, can operate as a coprocessor on a 32-bit bus or as a peripheral on an 8- or 16-bit bus.
Clayton Huntsman, Duane Cawthron, "The MC68881 Floating-point Coprocessor", IEEE Micro, vol. 3, no. , pp. 44-54, November/December 1983, doi:10.1109/MM.1983.291185