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
تفصيلات التسجيلة (السجل)
رمز / رقم الاستدعاء[E/ECE/]ENERGY/WP.1/GE.1/R.9/Add.6
العنوانReassessment 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.
المؤلفونCzech Republic
تاريخGeneva : UN, 8 June 1993.
الوصف
6 p. : tables