@article{JEMS_2014_16_12_a2,
     author = {Oscar Garc{\'\i}a-Prada and Jochen Heinloth and Alexander H.W. Schmitt},
     title = {On the motives of moduli of chains and {Higgs} bundles},
     journal = {Journal of the European Mathematical Society},
     pages = {2617--2668},
     publisher = {mathdoc},
     volume = {16},
     number = {12},
     year = {2014},
     doi = {10.4171/jems/494},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/494/}
}