He coauthored (with Andrei Suslin and Eric M. Friedlander) Cycles, Transfers and Motivic Homology Theories, which develops the theory of motivic cohomology in some detail.
Foi autor, xunto con Andrei Suslin e Eric M. Friedlander, de Cycles, Transfers and motívica homology Theories, na que desenvolve a teoría da cohomoloxía motivacional con certo detalle.