Hassett, Brendan, and Tschinkel, Yuri. Cycle Class Maps and Birational Invariants. Retrieved from https://par.nsf.gov/biblio/10237181. Communications on Pure and Applied Mathematics . Web. doi:10.1002/cpa.21967.

Hassett, Brendan, & Tschinkel, Yuri. Cycle Class Maps and Birational Invariants. Communications on Pure and Applied Mathematics, (). Retrieved from https://par.nsf.gov/biblio/10237181. https://doi.org/10.1002/cpa.21967

Hassett, Brendan, and Tschinkel, Yuri. "Cycle Class Maps and Birational Invariants". Communications on Pure and Applied Mathematics (). Country unknown/Code not available. https://doi.org/10.1002/cpa.21967. https://par.nsf.gov/biblio/10237181.

@article{osti_10237181,
place = {Country unknown/Code not available}, title = {Cycle Class Maps and Birational Invariants}, url = {https://par.nsf.gov/biblio/10237181}, DOI = {10.1002/cpa.21967}, abstractNote = {We introduce new obstructions to rationality for geometrically rational threefolds arising from the geometry of curves and their cycle maps.}, journal = {Communications on Pure and Applied Mathematics}, author = {Hassett, Brendan and Tschinkel, Yuri}, editor = {null} }