Antonino Fiannaca Giuseppe Di Fatta Salvatore Gaglio Riccardo Rizzo Alfonso Urso Improved SOM Learning Using Simulated Annealing. 279-288 2007 conf/icann/2007-1 ICANN (1) http://dx.doi.org/10.1007/978-3-540-74690-4_29 db/conf/icann/icann2007-1.html#FiannacaFGRU07