@article{PhysRevFocus.12.7, title = {Bullets of Light}, author = {Krieger, Kim}, journal = {Phys. Rev. Focus}, volume = {12}, issue = {}, pages = {7}, numpages = {1}, year = {2003}, month = {Sep}, doi = {10.1103/PhysRevFocus.12.7}, url = {http://link.aps.org/doi/10.1103/PhysRevFocus.12.7}, publisher = {American Physical Society} }