Fourth tripartite technical meeting for mines other than coal mines, Geneva, 1984 : workers´ health in mines other than coal mines, with special reference to the effects of the working environment and technological changes
.Tripartite technical meeting for mines other than coal mines
(4-1984);Organización Internacional del Trabajo (OIT)
. (OIT. Informe; 3).Ginebra :
, 1984. (M) Libro
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