@book{ BA90206754,
  author    = "Bray, Mark and Ding, Xiaohao and Huang, Ping and Comparative Education Research Centre",
  title     = "Reducing the burden on the poor : household costs of basic education in Gansu, China",
  publisher = "Comparative Education Research Centre, Faculty of Education, the University of Hong Kong",
  year      = "2004",
  series    = "CERC monograph series",
  number    = "no. 2",
  URL       = "http://ci.nii.ac.jp/ncid/BA90206754"
}