TY  - BOOK
AU  - Butts,Allison, x
AU  - x
TI  - Metallurgical problems: x
SN  - x
U1  - 669/BUM 
PY  - 1943///
CY  - New York
PB  - Mcgraw-hill
KW  - Metaliurgy
N1  - x
ER  -