@article{6082,
  author = {Z.-T. Lu and Kristan Corwin and K. Vogel and Carl Wieman and T. Dinneen and J. Maddi and H. Gould},
  title = {Efficient Collection of 221Fr into a Vapor Cell Magneto-optical Trap},
  year = {1997},
  journal = {Physical Review Letters},
  volume = {79},
  pages = {994-997},
  month = {Jan-08-1997},
  issn = {0031-9007},
  doi = {10.1103/PhysRevLett.79.994},
}