Explicacion del yeso, gipso o talco [microform].

Explicacion del yeso, gipso o talco [microform].

Bibliografiset tiedot
Aineistotyyppi: Visual Material
Kieli:Spanish
Julkaistu: Quezon City Photoduplication Service. University of the Philippines Library 1977.
Aiheet:
Mines and mineral resources > Philippines.
Mica.