I have been reading through some of the academic literature on TDD and figured it might be useful to put up a quick little bibliography of what I am reading through.
White paper on Unit Testing R.Venkat Rajendran http://www.mobilein.com/WhitePaperonUnitTesting.pdf
Realizing quality improvement through test driven development http://research.microsoft.com/en-us/projects/esm/nagappan_tdd.pdf
Actually quite a few here http://research.microsoft.com/en-us/projects/esm/
Efficiency and Effectiveness Measures To Help Guide the Business of Software Testing http://www.scribd.com/doc/2060575/1999-BenchmarkQA-Whitepaper-Efficiency-and-Effectiveness-Measures-To-Help-Guide-the-Business-of-Software-Testing
Effective Unit Test Minimization http://se.ethz.ch/people/leitner/publications/min_leitner_ase_2007.pdf
Quite a few here http://collaboration.csc.ncsu.edu/laurie/publications.html#Testing
Have some more important things to read through put them up!