@article {Hart:1991:0736-2935:1065, title = "Measurement of sound using a microphone at the ear", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "1991", volume = "1991", number = "3", publication date ="1991-12-02T00:00:00", pages = "1065-1068", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1991/00001991/00000003/art00049", keyword = "71.1.1, 72.1", author = "Hart, Michael D.", abstract = "", }