Media type: E-Article Title: Conceptual Modeling: Conceptual Modeling Challenges for Model-Based Architecting and Software Engineering (MBASE) Contributor: Boehm, Barry; Port, Dan imprint: Springer Berlin Heidelberg, 1999 Published in: Conceptual Modeling Language: Not determined DOI: 10.1007/3-540-48854-5_3 ISSN: 0302-9743 Origination: Footnote: