1. “Competing symmetries in superconducting vortex-antivortex “molecular crystals””. Bending S, Neal JS, Milošević MV, Potenza A, Emeterio LS, Marrows CH, Physica: C : superconductivity 468, 518 (2008).   http://doi.org/10.1016/j.physc.2007.11.076