by IEA Coal Industry Advisory Board
Paperback
ISBN: 978-92-64-12684-8
ISBN-10: 92-64-12684-8
OECD Publications and Information Center, distributor · 1985
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by IEA Coal Industry Advisory BoardPaperback
ISBN: 978-92-64-12684-8 ISBN-10: 92-64-12684-8 OECD Publications and Information Center, distributor · 1985 |