TY  - BOOK
ED  - British Standards Institution
TI  - Universal Decimal Classification: complete english edition fourth international edition : 669 metallurgy 
U1  - 025.432 
PY  - 1949///].
CY  - London: 
PB  - British Standards Institution, 
KW  - Universal decimal classification
N1  - Includes index (p. 35-44)
ER  -