TY  - BOOK
AU  - Smithells,Colin J.
TI  - Impurities in metals,: their influence on structure and properties,
AV  - TA459 .S6 1928
PY  - 1930///
CY  - London
PB  - Chapman & Hall, Ltd., 
KW  - METALOGRAFIA
KW  - IMPUREZA DE LOS METALES
ER  -