Customization Process Overview
Customization Process Overview contains a brief description over how you develop the domain model for an application.
Customization Tool User's Guide
Customization Tool User's Guide give you an introduction to the Customization tool and some basics in building domain-models
Advanced Customization Guide
Advanced Customization Guide is a comprehensive handbook for developing applications. It contains allt he advanced features of Ergo, including samples for how to implement various features.