Excavaciones subterráneas en roca

I tiakina i:
Ngā taipitopito rārangi puna kōrero
Ngā kaituhi matua: Hoek, Evert (Author), Brown, E. T (Author)
Hōputu: Pukapuka
Reo:Pāniora
I whakaputaina: Ciudad de México McGraw-Hill 1985
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