@article{172531,
  author = {Alan Migdall},
  title = {Absolute Quantum Efficiency Measurements Using Correlated Photons: Toaward a Measurement Protocol},
  year = {2001},
  number = {50},
  month = {2001-04-01},
  publisher = {IEEE Transactions on Instrumentation and Measurement},
  language = {en},
}