The clean use of coal : a technology review /

Eitemau Tebyg

• Clean and efficient use of coal : the new era for low-rank coal : Budapest, Hungary, February 1992 : conference proceedings /
  Cyhoeddwyd: (1993)
• The clean and efficient use of coal and lignite : its role in energy, environment, and life : Hong Kong, 30th November-3rd December 1993 : conference proceedings /
  Cyhoeddwyd: (1994)
• Coal /
  Cyhoeddwyd: (1976)
• Coal conversion technology /
  Cyhoeddwyd: (1979)
• An introduction to coal technology /
  gan: Berkowitz, N. (Norbert), 1923-
  Cyhoeddwyd: (1979)