W.B. Weng, Z.H. Wang, Y. He, Y.J. Zhou, J.H. Zhou, K.F. Cen: H2/CO Syngas Laminar Burning Velocity Measurement Using Teflon Coated Heat Flux Burner. Proc. Europ. Combust. Meeting 2013. Paper P3-4. Fig. 7, full circle

Initial composition: H2 CO O2 N2