A facies analysis of the Pucara Group (Norian to Toarcian carbonates, organic-rich shale and phosphate) of central and northern Peru - Comment
- Amsterdam Elsevier July 1983
- pp. 215-219 ilus.
FOSFATOS ROCAS CARBONATADAS SEDIMENTOS
ANDES CERRO DE PASCO HUANCAYO JUNIN PASCO PERU REGION CENTRAL