@incollection{weko_27130_1,
   author	 = "Chang,Qing",
   title	 = "Chapter 6. Actual Study on the System of New China's Cement Circulation",
   booktitle	 = "Circulation Systems of Production Materials in China",
   publisher	 = "Institute of Developing Economies",
   year 	 = "1994",
   volume	 = "",
   number	 = "",
   pages	 = "[68]--72"
}