@conference{879,
  author = {Y. Ahn and D. Kim and Steven Cundiff and J. Shacklette},
  title = {Virtual-real quantum interference},
  year = {2002},
  publisher = {Opt. Soc. America},
  address = {Long Beach, CA, USA},
  url = {http://ieeexplore.ieee.org/lpdocs/epic03/wrapper.htm?arnumber=1031407},
  doi = {10.1109/QELS.2002.1031407},
}