Generative Programming: Methods, Tools, and Applications - By Krzysztof Czarnecki, Ulrich W. Eisenecker; Addison-Wesley, 2000, ISBN 0201309777. General unifying introduction, treats link between domain specific languages and GP as motive for future work. Central work on this topic.
GPCE - Home of International Conference on Generative Programming and Component Engineering. Promotes use and innovation of foundation techniques to support automatic program generation.
Concept Programming - Brief description, long forum exchange with many insights. Slashdot. (November 27, 2002)
Generative Programming and Component Engineering - Edited by Don Batory, Charles Consel, Walid Taha; Springer, 2002, ISBN 3540442847. Proceedings of ACM SIGPLAN/SIGSOFT Conference, GPCE 2002, Pittsburgh, PA, USA, 6-8 October 2002. (October, 2002)