@article{10_2140_agt_2013_13_2667,
     author = {Hornbostel, Jens},
     title = {Preorientations of the derived motivic multiplicative group},
     journal = {Algebraic and Geometric Topology},
     pages = {2667--2712},
     year = {2013},
     volume = {13},
     number = {5},
     doi = {10.2140/agt.2013.13.2667},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2013.13.2667/}
}