F. Ubis Tom Kirkham Brian Matthews Jose L. Martinez Lastra Robert Harrison V. Villaseñor Herrera A. Chowdrey The Challenges along the Road to the Realisation of a Factory Automation Lifecycle. 559-562 2008 COMPSAC http://doi.ieeecomputersociety.org/10.1109/COMPSAC.2008.197 conf/compsac/2008 db/conf/compsac/compsac2008.html#UbisKMLHHC08