@article{JRAM_1997__485_183539,
     author = {James D. Lewis},
     title = {A note on indecomposable motivic cohomology classes.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {161--172},
     publisher = {mathdoc},
     volume = {485},
     year = {1997},
     zbl = {0868.14003},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1997__485_183539/}
}