| 其他書名 | 1 -Further Studies on the Effect of Certain Inorganic Materials on the Low Temperature Carbonization of North Dakota Lignite ; 2 - The Effect of Certain Inorganic Materials on the Reactivity of the Char from North Dakota Lignite |
| 出版 | University of North Dakota, 1932 |
| URL | http://books.google.com.hk/books?id=ggVSNwAACAAJ&hl=&source=gbs_api |