TY - JOUR AU - Kieran G. O'Grady TI - Decomposable cycles and Noether-Lefschetz loci JO - Documenta mathematica PY - 2016 SP - 661 EP - 687 VL - 21 UR - http://geodesic.mathdoc.fr/articles/10.4171/dm/542/ DO - 10.4171/dm/542 ID - 10_4171_dm_542 ER -