Formalizing product model transformations: Case Examples and applications. - Martin Fischer; Florian Aalami; Ragip Akbas (AI in Structural Engineering, 1998)

Industry Foundation Classes for Project Management - A Trial Implementation. - Thomas Froese; François Grobler; John Ritzenthaler; Kevin Yu; Burcu Akinci; Ragip Akbas; Bonsang Koo; Alex Barron; John C. Kunz (J. Inf. Technol. Constr., 1999)