Beligiannis A., “Auslander-Reiten triangles, Ziegler spectra and Gorenstein rings”, $K$-Theory, 32:1 (2004), 1–82
Van den Bergh M., “Three-dimensional flops and noncommutative rings”, Duke Math. J., 122:3 (2004), 423–455
Bondal A.I., Larsen M., Lunts V.A., “Grothendieck ring of pretriangulated categories”, Int. Math. Res. Not., 2004, no. 29, 1461–1495
Bonde M., Sørensen J.T., “Herd health management in organic pig production using a quality assurance system based on Hazard Analysis and Critical Control Points”, NJAS - Wageningen Journal of Life Sciences, 52:2 (2004), 133–143