Szekely, Thomas Steven
Stratigraphy of the carbonate, black shale, and phosphate of the Pucará Group (Upper Triassic-Lower Jurassic), Central Andes, Peru - Boulder, CO Geological Society of America February 1972 - pp. 407-428
ESTRATIGRAFÍA
ANDES
PERU
GRUPO PUCARA
Stratigraphy of the carbonate, black shale, and phosphate of the Pucará Group (Upper Triassic-Lower Jurassic), Central Andes, Peru - Boulder, CO Geological Society of America February 1972 - pp. 407-428
ESTRATIGRAFÍA
ANDES
PERU
GRUPO PUCARA