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Cita Chicago (17th ed.)International Conference on Occupational Health & Safety in the Minerals Industry Perth, Western Australia. Minesafe International 1990, Perth, Western Australia, 10-14 September: An International Conference on Occupational Health & Safety in the Minerals Industry. [S.l: s.n, 1990.
Cita MLA (9th ed.)International Conference on Occupational Health & Safety in the Minerals Industry Perth, Western Australia. Minesafe International 1990, Perth, Western Australia, 10-14 September: An International Conference on Occupational Health & Safety in the Minerals Industry. s.n, 1990.