Coal mine entry intersection behavior study /

I tiakina i:
Ngā taipitopito rārangi puna kōrero
Kaituhi matua: Hanna, K.
Ētahi atu kaituhi: Conover, D., Haramy, Khamis Y.
Hōputu: Tē mōhiotia
Reo:Ingarihi
I whakaputaina: Washington, DC : United States Dept. of the Interior, Bureau of Mines, 1990.
Rangatū:Report of investigations (United States. Bureau of Mines) ; 9337
Ngā marau:
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