Explicacion del yeso, gipso o talco [microform].

Explicacion del yeso, gipso o talco [microform].

Bibliografische gegevens
Formaat: Visual Material
Taal:Spanish
Gepubliceerd in: Quezon City Photoduplication Service. University of the Philippines Library 1977.
Onderwerpen:
Mines and mineral resources > Philippines.
Mica.