@article{lanyon_langford_2009, 
  title={Experimentally generating and tuning robust entanglement between photonic qubits}, 
  volume={11}, 
  DOI={10.1088/1367-2630/11/1/013008}, 
  publisher={IOP Publishing}, 
  author={Lanyon and Langford}, 
  year={2009}, 
  month={Jan}
  }