Gaya APA

Ansell, P.. (1985). The Effect of Mining Subsidence on Spoil Heap Stability - a Case History . : Pentech Press.

Gaya Chicago

Ansell, P.. The Effect of Mining Subsidence on Spoil Heap Stability - a Case History. : Pentech Press, 1985. Computer Software.

Gaya MLA

Ansell, P.. The Effect of Mining Subsidence on Spoil Heap Stability - a Case History. : Pentech Press, 1985. Computer Software.

Gaya Turabian

Ansell, P.. The Effect of Mining Subsidence on Spoil Heap Stability - a Case History. : Pentech Press, 1985. Computer Software.