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 /
International Energy Agency.
IEA International Conference on Clean and Efficient Use of Coal and Lignite: Its Role in Energy, Environment and Life(2nd :1993 :Hong Kong)
Paris, France : International Energy Agency,
c1994.
Proceedings of the IEA Second International Conference on the Clean and Efficient Use of Coal and Lignite: Its Role in Energy, Environment and Life.
Includes bibliographical references.
Coal
Lignite