[IEEE 8th Mediterranean Electrotechnical Conference on Industrial Applications in Power Systems, Computer Science and Telecommunications (MELECON 96) - Bari, Italy (13-16 May 1996)] Proceedings of 8th Mediterranean Electrotechnical Conference on Industrial Applications in Power Systems, Computer Science and Telecommunications (MELECON 96) - The influence of meteorological parameters on Italian electric hourly load: the selection of variables of the ANN training set for short term load forecasting