Di questa, se cercavi per index trovavi un'ampia letteratura
http://community.punterforum.com/showthread.php?t=214501&highlight=38869467xx
http://community.punterforum.com/showthread.php?t=196395&highlight=38869467xx
http://community.punterforum.com/showthread.php?t=160674&highlight=38869467xx
http://community.punterforum.com/showthread.php?t=91167&highlight=38869467xx
http://community.punterforum.com/showthread.php?t=214501&highlight=38869467xx
http://community.punterforum.com/showthread.php?t=196395&highlight=38869467xx
http://community.punterforum.com/showthread.php?t=160674&highlight=38869467xx
http://community.punterforum.com/showthread.php?t=91167&highlight=38869467xx