1. EPA Air Pollution Control Cost Manual;U.S.E.P.A,2002
2. Formation and control of nitrogen oxides;Bosch;Catal. Today,1988
3. Optimization of ammonia source for SCR applications;Salib;Proceedings of the 2003 Mega Symposium,2003
4. Urea-to-ammonia (U2A™) systems: operation and process chemistry;Bhattacharya;Proceedings of the 2003 Mega Symposium,2003
5. Catalytic Hydrolysis of Urea with Fly Ash for Generation of Ammonia in a Batch Reactor for Flue Gas Conditioning and NOx Reduction;Sahu;Industrial & Engineering Chemistry Research,2008