Gaya APA
Ekman, F. (1975).
SYMPOSIUM PAPERS EFFICIENT USE OF FUELS IN THE METALLURGICAL INDUSTRIES .
CHICAGO:
institute of gas technology.
Gaya MLA
Ekman, Frank.
"SYMPOSIUM PAPERS EFFICIENT USE OF FUELS IN THE METALLURGICAL INDUSTRIES".
CHICAGO:
institute of gas technology,
1975.
Text.