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%0 Journal Article
%A Hennig, Alexander
%A Niemann-Delius, Christian
%A Skrypzak, Thorsten
%T Hard rock mining the opencast way versus a combination of opencast and deep mining methods : an energy balance sheet
%J Glückauf-Mining-Reporter
%V 1
%N April
%@ 0176-4101
%C Essen
%I VGE-Verl.
%M RWTH-CONV-014790
%P 37-41
%D 2010
%F PUB:(DE-HGF)16
%9 Journal Article
%U https://publications.rwth-aachen.de/record/133736