Survey of nuisance and biologically active dusts in metal and nonmetal mines /

I tiakina i:
Ngā taipitopito rārangi puna kōrero
Kaituhi matua: Watson, Pamela J.
Ētahi atu kaituhi: Tallman, Daniel N., Pahlman, J. E. (John E.)
Hōputu: Government Document
Reo:Ingarihi
I whakaputaina: Washington, D.C. : U.S. Dept. of the Interior, Bureau of Mines, 1987.
Rangatū:Information circular (United States. Bureau of Mines) ; 9136
Ngā marau:
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