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Monografía
monografia Rebiun17152278 https://catalogo.rebiun.org/rebiun/record/Rebiun17152278 ta 890331s19790000cn 0010 engdd CBUC 991000289669706706 679.8 549 Mineralogical techniques of asbestos determination a short course held in Quebec, may 20th to 22nd sponsored by the Mineralogical Association of Canada ; edited by R. L. Ledoux Toronto Mineralogical Association of Canada 1979 Toronto Toronto Mineralogical Association of Canada 279 p. 23 cm 279 p. Short course handbook / Mineralogical Association of Canada 4 Asbesto Mineraloga Crisotila Tecnologa Ledoux, R. L. col Mineralogical Association of Canada pr Short course handbook (Mineralogical Association of Canada) 4