@article {rego2007real, title = {Real time, non-intrusive measurement of particle emissivity and gas temperature in coal-fired power plants}, journal = {Measurement Science and technology}, volume = {18}, number = {11}, year = {2007}, pages = {3479}, publisher = {IOP Publishing}, author = {Rego-Barcena, Salvador and Saari, Rebecca and Mani, Reza and El-Batroukh, Sameh and Thomson, Murray J} }