Gaya APA
Schumann, E. H. R.. (1985).
Surface Subsidence Due to the Extraction of Moderately Thick Coal Seams at Shallow Depth .
:
Pentech Press.
Gaya Chicago
Schumann, E. H. R..
Surface Subsidence Due to the Extraction of Moderately Thick Coal Seams at Shallow Depth.
:
Pentech Press,
1985.
Computer Software.
Gaya MLA
Schumann, E. H. R..
Surface Subsidence Due to the Extraction of Moderately Thick Coal Seams at Shallow Depth.
:
Pentech Press,
1985.
Computer Software.
Gaya Turabian
Schumann, E. H. R..
Surface Subsidence Due to the Extraction of Moderately Thick Coal Seams at Shallow Depth.
:
Pentech Press,
1985.
Computer Software.