Symposium on Sudden Outbursts of Coal and Gas / transmitted by the Government of Czechoslovakia.
1985
تفصيلات التسجيلة (السجل)
رمز / رقم الاستدعاء[E/ECE/]COAL/R.109/Add.2
العنوانSymposium on Sudden Outbursts of Coal and Gas / transmitted by the Government of Czechoslovakia.
المؤلفونCzechoslovakia
تاريخGeneva : UN, 11 Mar. 1985.
الوصف
1 p.