@article{287,
  author = {X Liu and C Py and Y Tao and Y Li and J Ding and M Day},
  title = {Low-threshold amplified spontaneous emission and laser emission in a polyfluorene derivative},
  year = {2004},
  journal = {Applied physics letters},
  volume = {84},
  number = {15},
  pages = {2727\textendash2729},
  publisher = {American Institute of Physics},
}