@article {Voorhees:1999:0736-2501:107, title = "Prevalence and severity of overflights on U.S. National Parks: Results of the 1998 survey of national park superintendents", journal = "Noise Control Engineering Journal", parent_itemid = "infobike://ince/ncej", publishercode ="ince", year = "1999", volume = "47", number = "3", publication date ="1999-05-01T00:00:00", pages = "107-111", itemtype = "ARTICLE", issn = "0736-2501", url = "https://ince.publisher.ingentaconnect.com/content/ince/ncej/1999/00000047/00000003/art00006", doi = "doi:10.3397/1.599296", keyword = "66.1, 13.1", author = "Voorhees, Philip H. and Krey, Lindsay", abstract = "", }