The clean efficient use of coal and lignite : its role in energy, environment and life : Hong Kong, 30th November-3rd December 1993 : conference proceedings - IEA International Conference on the Clean and Efficient Use of Coal and Lignite 1993 : Hong Kong); Organisation for Economic Co-operation and Development; International Energy Agency (Paris : OECD, 1994)
Includes bibliographical references
Keywords: Coal -- Congresses; Lignite -- Congresses