Title: Proceedings of the XIII International Congress on the Carboniferous and Permian
First published: 1997
Subjects: Coal, Congresses, Economic Geology, Geology, Geology, Economic, Geology, Stratigraphic, Stratigraphic Geology
Time periods: Carboniferous, Permian
LC classification: QE1 .W28 t. 157, QE671 .W28 t. 157