Great Britain. Fuel Research Board. (1946). Smoke and its measurement: The correlation of optical density with the nature and quantity of smoke from a hand-fired Lancashire boiler. H.M.S.O..
Chicago-Zitierstil (17. Ausg.)Great Britain. Fuel Research Board. Smoke and Its Measurement: The Correlation of Optical Density with the Nature and Quantity of Smoke from a Hand-fired Lancashire Boiler. London: H.M.S.O., 1946.
MLA-Zitierstil (8. Ausg.)Great Britain. Fuel Research Board. Smoke and Its Measurement: The Correlation of Optical Density with the Nature and Quantity of Smoke from a Hand-fired Lancashire Boiler. H.M.S.O., 1946.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.