@article{PhysRevFocus.2.12, title = {Separating the Good Hearts from the Bad}, author = {Anonymous}, journal = {Phys. Rev. Focus}, volume = {2}, issue = {}, pages = {12}, numpages = {1}, year = {1998}, month = {Sep}, doi = {10.1103/PhysRevFocus.2.12}, url = {http://link.aps.org/doi/10.1103/PhysRevFocus.2.12}, publisher = {American Physical Society} }