共 50 条
- [41] PETROGRAPHIC ASPECTS ON THE CLASSIFICATION OF BROWN COALS ZEITSCHRIFT FUR ANGEWANDTE GEOLOGIE, 1986, 32 (08): : 197 - 204
- [43] ON THE ANALYSIS OF INORGANIC MATTER IN BROWN COALS ZEITSCHRIFT FUR ANGEWANDTE GEOLOGIE, 1985, 31 (04): : 92 - 97
- [44] The economic significance of Czech brown coals ARCHIV FUR SOZIALWISSENSCHAFT UND SOZIALPOLITIK, 1909, 28 (01): : 347 - 348
- [47] SULFUR FORMS IN PEATS AND BROWN COALS DOKLADY AKADEMII NAUK BELARUSI, 1975, 19 (04): : 356 - 359
- [49] Preliminary Studies on Brown Coals Liquefaction ROCZNIK OCHRONA SRODOWISKA, 2009, 11 : 1095 - 1104