Fill technology in underground metalliferous mines

I tiakina i:
Ngā taipitopito rārangi puna kōrero
Kaituhi matua: Thomas, E. G., E. G. (Edward G.)
Ētahi atu kaituhi: Nantel, J. H., Notley, K. R.
Hōputu: Pukapuka
Reo:Ingarihi
I whakaputaina: Kingston, Ont. International Academic Services 1979
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