TY  - BOOK
AU  - Bullens, D. K.
TI  - Steel and its heart treatment: : engineering and special-purpose steels
U1  - 624.1821 
PY  - 1917///
CY  - London
PB  - ; John Wiley & Sons
KW  - Civil Engineering
KW  - Engineering
KW  - Steel Structures
ER  -