TY  - BOOK
AU  - Williams, Robert Seaton
AU  - Homerberg, Victor Olivier,
TI  - Principles of metallography
T2  - Metallurgy and metallurgical engineering series
AV  - TN690 W5
PY  - 1948///
CY  - New York
PB  - McGraw-Hill
KW  - Metalografía
ER  -