@article{1384354,
      recid = {1384354},
      author = {Jiuwen, Sun, and Chunmei, Xiao,},
      title = {The general distribution of China's productivity in the  21st century., Volume 2 /},
      pages = {1 online resource (188 pages).},
      url = {http://library.usi.edu/record/1384354},
}