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  1. 1

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

    Publicat 1966
    Llibre

    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.].

    Publicat 1956
    Llibre

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

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