Single dimension relationships in relational CAD. - J. R. Paul Hanna; Richard J. Millar; S. Ewart (Symposium on Solid Modeling and Applications, 1999)

Modeling Complex Real-Time and Embedded Systems-The UML and DORIS Combination. - M. Elizabeth C. Hull; S. Ewart; J. R. Paul Hanna (Real Time Syst., 2004)