Fun with Slabs - AKA Archi-treeStump and Slab ramps. Yes. Slab ramps. - Shoegnome Architects
ARCHICAD Revision Management - Change Tool: Marker Type and Reference Settings - YouTube
Optimizing Detail Creation, Referencing and Cataloging: Compiling, Managing and Integrating Your Own Detail Libraries (Part 3 of 3) – Eric Bobrow's ARCHICAD News, Tutorials and Resources