@article{CTT100626952,
  author = {Yuhki Kousaka and K. Iwaya and S. Satow and Tetsuo Hanaguri and M. Azuma and M. Takano and H. Takagi},
  title = {Imaging Nanoscale Electronic Inhomogeneity in the Lightly Doped Mott Insulator Ca2-xNaxCuO2Cl2},
  journal = {Phys. Rev. Lett.},
  year = 2004,
}