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  1. 1

    The Geology and mineral resources of Catanduanes province por Miranda, Federico E., Vargas, Bassanio S.

    Publicado em 1966
    Livro

    The Geology and mineral resources of Catanduanes province
  2. 2

    Copper deposits of the Philippines a symposium compiled and edited by Arthur R. Kinkel ... [et al.].

    Publicado em 1956
    Livro

    Copper deposits of the Philippines a symposium compiled and edited by Arthur R. Kinkel ... [et al.].

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