TY  - BOOK
AU  - Butts,Allison
TI  - Metallurgical problems,
T2  - Metallurgy and metallurgical engineering series; R. F. Mehl ... consulting editor
U1  - 669 
PY  - 1943///
CY  - New York and London
PB  - McGraw-Hill book company, inc.
KW  - METALURGIA, PROBLEMAS
N1  - First edition, 1932, published under title: A textbook of metallurgical problems
ER  -