1. Andritz Showcase: Kraft Recovery Boilers;Andritz,2015
2. Combustion and Gasification in Fluidized Beds;Basu,2006
3. A. Hotta, K. Kauppinen, A. Kettunen, Towards new milestones in CFB Boiler Technology- CFB 800 MWe/New 460 MWe Super-Critical Plant with CFB Boiler in Lagisza - First Experience Update. Foster Wheeler Energia OY, Finland, 2010, p. 20.
4. E. Vakkilainen Kraft recovery boilers- principles and practice. Picaset Oy ISBN 952-91-8603-7 2007 Helsinki 246
5. S. Teir: Steam Boiler Technology. Helsinki University of Technology. ISBN 9512267594. 2003, p. 216.