TY  - GEN
AU  - 
AU  - HOGAN,William T.
TI  - PRODUCTIVITY IN THE BLAST-FURNACE AND OPEN-HEARTH SEGMENTS OF THE STEEL INDUSTRY 1920-1946
U1  - 658./HOG 
PY  - 1950///
CY  - USA
PB  - The Declan X. McMullen Company,Inc.
ER  -