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3. Heat flux-meter in furnace boiler to monitor deposit;Clay,1987
4. The CERL Dometer—a radiation heat flux on the tube metal for highly rated boiler;Northover;CEGB Disclosure Bull. No. 294,1987
5. A heat flux-meter for ash deposit monitoring systems—1. Ash deposit prevention;Brajuskovic;Int. J. Heat Mass. Transfer,1991