Reassessment of coal deposits under market-economy conditions : draft proposal of a new Czech mineral resources classification system / submitted by the Government of the Czech Republic.
1993
Notice détaillée
Symbole[E/ECE/]ENERGY/WP.1/GE.1/R.9/Add.6
TitreReassessment of coal deposits under market-economy conditions : draft proposal of a new Czech mineral resources classification system / submitted by the Government of the Czech Republic.
AuteursCzech Republic
DateGeneva : UN, 8 June 1993.
Description
6 p. : tables