Marc Cavazza David Pizzi Fred Charles Thurid Vogt Elisabeth André Emotional input for character-based interactive storytelling. 313-320 2009 AAMAS (1) http://doi.acm.org/10.1145/1558013.1558056 conf/atal/2009-1 db/conf/atal/aamas2009-1.html#CavazzaPCVA09