Single-Sourcing Tools and Techniques 
This paper describes how our publications team built a new single-sourced documentation set consisting of five printed manuals totaling 1,470 pages and seven Windows online help files totaling 7.5 megabytes. To accomplish this project, we used detailed writing guidelines, specially-designed templates, and a powerful online help authoring tool.
Hart, Jessica, Nola J. Hague and Diana Peh. STC Proceedings (1996). Articles>Content Management>Single Sourcing