1. Field measurement of infrasonic noise;Hood;Acustica,1971
2. Man-made infrasound, its occurrence and some subjective effects;Leventhall,1973
3. Loudness and annoyance due to low frequency sound;Tempest;Acustica,1973
4. Environmental infrasound: its occurrence and measurement;Leventhall,1976
5. Low frequency annoyance;Bryan,1976