@book{oai:ir.ide.go.jp:00027125,
 author = {Liao, Ying Min},
 month = {},
 note = {/381/Ci1/1, application/pdf, ASE002900_004},
 publisher = {Institute of Developing Economies},
 title = {Chapter 1. History and Present Situation of Coal Circulation in China},
 year = {1994}
}