Konrad Swirski Konrad Wojdan Immune Inspired Optimizer of Combustion Process in Power Boiler. 1022-1031 2007 conf/ieaaie/2007 IEA/AIE http://dx.doi.org/10.1007/978-3-540-73325-6_102 db/conf/ieaaie/ieaaie2007.html#SwirskiW07