Edelman, R.B., Fortune, O.F., Weilerstein, G., Cochran, T.H., Haggard, J.B., An Analytical and Experimental Investigation of Gravity Effects Upon Laminar Gas Jet Diffusion Flames, 14th Symposium (International) on Combustion, Combustion Institute, Pittsburgh, PA, pp. 399-412, August 20, 1972.