Report of the 13th session of the Group of Experts on Productivity and Management Problems in the Coal Industry.
1982
تفصيلات التسجيلة (السجل)
رمز / رقم الاستدعاء[E/ECE/]COAL/GE.1/20
العنوانReport of the 13th session of the Group of Experts on Productivity and Management Problems in the Coal Industry.
تاريخGeneva : UN, 29 June 1983.
الوصف
5, [2] p.