Discipline and practices of TDD: (test driven development). - Steven Fraser 001; Dave Astels; Kent L. Beck; Barry W. Boehm; John D. McGregor; James Newkirk; Charlie Poole (OOPSLA Companion, 2003)

Workshops: Research Close to the Action. - Dave Astels; Grigori Melnik (XP/Agile Universe, 2004)

Is XP Still Relevant? - Pete McBreen; Dave Astels; Janet Gregory 002; Daniel H. Steinberg; Lisa Crispin; Jim Highsmith; Robert C. Martin (XP/Agile Universe, 2004)