A STEP-based manufacturing information system to share flexible manufacturing resources data. - Omar López-Ortega; Moramay Ramírez-Hernández (J. Intell. Manuf., 2005)

A formal framework to integrate express data models in an extended enterprise context. - Omar López-Ortega; Moramay Ramírez-Hernández (J. Intell. Manuf., 2007)