@article{10947,
  author = {Frank Eliassen and Kari Ellingsen and K. Olsen},
  title = {A Multi-Layered Operating System for Microcomputers, Microprocessing and Microprogramming},
  year = {1984},
  journal = {The Euromicro Journal},
  volume = {14},
  number = {2},
  pages = {45-54,},
}