@article {Baldwin 3rd:1993:0736-2935:415, title = "The evolution of airport noise monitoring systems: Recent achievements and further needs", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "1993", volume = "1993", number = "1", publication date ="1993-05-02T00:00:00", pages = "415-420", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1993/00001993/00000001/art00068", keyword = "56.1, 52.2.1", author = "Baldwin 3rd, Edward M.", abstract = "", }