TY  - BOOK
AU  - Vallejo,César
TI  - El tungsteno
SN  - 9788490076521
AV  - PQ8497.V35 ebook 
U1  - 863.62 
PY  - 2017///
CY  - Barcelona
PB  - Red ediciones S.L.
KW  - Mines and mineral resources
KW  - Fiction
KW  - Working class
KW  - Peru
KW  - lcgft
KW  - Electronic books
N1  - "www.linkgua-digital.com"--Cover
UR  - httpss://www.digitaliapublishing.com/a/48754/
ER  -