@article{DOCMA_2016__21__a9, author = {Aldrovandi, Ettore and Ramachandran, Niranjan}, title = {Cup products, the {Heisenberg} group, and codimension two algebraic cycles}, journal = {Documenta mathematica}, pages = {1313--1344}, publisher = {mathdoc}, volume = {21}, year = {2016}, language = {en}, url = {http://geodesic.mathdoc.fr/item/DOCMA_2016__21__a9/} }