来源:Journal of Sustainable Mining , 2015
作者:Alicja Krzemień;Fernando Sánchez Lasheras;Ana Suárez Sánchez;等
关键词:Thermal coal;Price forecasting;...
使用许可:Unknown
来源:Journal of Sustainable Mining , 2015
作者:Alicja Krzemień;Fernando Sánchez Lasheras;Ana Suárez Sánchez;等
关键词:Thermal coal;Price forecasting;...
使用许可:Unknown