@article{1826,
  author = {Steven Cundiff},
  title = {Attosecond Physics: Better by half},
  year = {2007},
  journal = {Nature Physics},
  volume = {3},
  pages = {16-18},
  month = {1/2007},
  issn = {1745-2473},
  doi = {10.1038/nphys493},
}