@article {Sun:1987:0736-2935:471, title = "Acoustic design and effect of impulse noise protecting ear muffs", journal = "INTER-NOISE and NOISE-CON Congress and Conference Proceedings", parent_itemid = "infobike://ince/incecp", publishercode ="ince", year = "1987", volume = "1987", number = "5", publication date ="1987-09-15T00:00:00", pages = "471-474", itemtype = "ARTICLE", issn = "0736-2935", url = "https://ince.publisher.ingentaconnect.com/content/ince/incecp/1987/00001987/00000005/art00011", keyword = "21.3.5, 36.1", author = "Sun, Xiao-yi", abstract = "", }