Long term noise measurements around an airport : what does one learn?Thoen, J.; Peeters, E.; Hofman, R.; Geussens, G.; Bruyninckx, W.; Germeau, H.Proceedings of the International EAA/EEAA Symposium : Transport Noise and Vibration, Tallinn, 8.06 - 10.06. 19981998 / p. 109-114: ill