Coal deposits origin, evolution, and present characteristics : an analysis of the present coal deposits in terms of the geometrical, mechanical, thermal, and chemical aspects of the Earth's behavior during the past 4.6 billion years
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua | 
| Hizkuntza: | English | 
| Argitaratua: | Sudbury, Mass.
          Tatsch Associates
    
        1980. | 
| Gaiak: | 


