TY  - BOOK
AU  - Williams, Robert S
TI  - Principles of Metallography
U1  - 669.95 
PY  - 1948///
CY  - Newyork
PB  - Mcgraw-Hill
KW  - General Stack
KW  - Metallography
KW  - MetallurgyChemical engineering
KW  - Generalia
ER  -