Scientific Paper about GTD
Getting Things Done, GTD for short, is an action management method. This method is described in David Allen’s book "Getting Things Done: The Art of Stress-Free Productivity". Francis Heylighen and Clement Vidal of the Free University of Brussels published a paper and compared the GTD-principles with recent insights in psychology and cognitive science.
Paper: "Getting Things Done: The Science behind Stress-Free Productivity "
I summed the article up in German - maybe that’s an option for you.
German summary: "Wissenschaft wirft Blick auf GTD "