登入選單
返回Google圖書搜尋
Summary Report of the Meeting of the International Commission on Coal Petrology, Essen, German Federal Republic, September 23-28, 1968
International Committee for Coal Petrology. Meeting
出版1968
URLhttp://books.google.com.hk/books?id=SD4oGwAACAAJ&hl=&source=gbs_api