1. Annoyance in working environments due to low frequency noise with or without tones;Åkerlund,1990
2. Evaluation of the Nordic project on the health effects of community noise;Andersson,1988
3. Quality assurance in environmental psychophysics. Ratio scaling of psychological magnitude: In honor of the memory of S.S. Stevens;Berglund,1991
4. Community noise annoyance. Importance of noise levels and number of events;Björkman,1989
5. A modified PNdB for assessment of low frequency noise;Broner;J. Sound Vibration 0,1980