@article{PhysRevFocus.8.32, title = {Building a Quantum Portfolio}, author = {Brumfiel, Geoff}, journal = {Phys. Rev. Focus}, volume = {8}, issue = {}, pages = {32}, numpages = {1}, year = {2001}, month = {Dec}, doi = {10.1103/PhysRevFocus.8.32}, url = {http://link.aps.org/doi/10.1103/PhysRevFocus.8.32}, publisher = {American Physical Society} }