Kratzsch, H. (1983). Mining subsidence engineering. Springer-Verlag.
Chicago Style (17th ed.) CitationKratzsch, Helmut. Mining Subsidence Engineering. Berlin: Springer-Verlag, 1983.
MLA (9th ed.) CitationKratzsch, Helmut. Mining Subsidence Engineering. Springer-Verlag, 1983.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.