@article{PhysRevFocus.21.7, title = {Electron Stroboscope}, author = {Cofield, Calla}, journal = {Phys. Rev. Focus}, volume = {21}, issue = {}, pages = {7}, numpages = {1}, year = {2008}, month = {Feb}, doi = {10.1103/PhysRevFocus.21.7}, url = {http://link.aps.org/doi/10.1103/PhysRevFocus.21.7}, publisher = {American Physical Society} }