کتاب های Robert S Weygant
BIM content development : standards, strategies, and best practices
Robert S Weygant, 2011
BIM Content Development: Standards, Strategies, and Best Practices
Robert S. Weygant, 2011
Construction specifications writing : principles and procedures
Mark Kalin; Robert S Weygant; John R Regener, Jr.; Harold J Rosen, 2010
