Estudio sobre el ópalo.

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Licencia.txt (2.34 KB)
 S498.pdf (6.3 MB)

Date

1929

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Talleres Gráficos de la Nación

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32 p.

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info:eu-repo/classification/cti/1, info:eu-repo/classification/cti/25, info:eu-repo/classification/UNESCO/concept157, info:eu-repo/classification/GeoRef/Earth sciences, Opalo, México

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https://rdbcct.unam.mx/handle/rdbcct/152

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Creative Commons license

info:eu-repo/semantics/openAccess
Except where otherwised noted, this item's license is described as info:eu-repo/semantics/openAccess