Concentration indices in European coal industries : replies to the questionnaire / transmitted by the Government of the United Kingdom.
1992
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Details
Symbol
[E/ECE/]ENERGY/WP.1/GE.1/R.13/Add.6
Title
Concentration indices in European coal industries : replies to the questionnaire / transmitted by the Government of the United Kingdom.
Authors
Date
Geneva : UN, 30 Nov. 1992.
Description
6 p. : tables