Bernardo J. B. Caldas Flávio R. S. Oliveira Fernando Buarque de Lima Neto Improving Support of Appropriate Executive Decisions by Combining Artificial Immune Systems and Fuzzy Logic. 99-104 2008 SBRN http://dx.doi.org/10.1109/SBRN.2008.13 conf/sbrn/2008 db/conf/sbrn/sbrn2008.html#CaldasON08