@article {Czarneckl:1978:0093-9978:18, title = "Mirror Image Method of Analyzing the Combined Effect of Barriers and Absorbing Surfaces in Industrial Interiors and Apartments", journal = "Noise Control Engineering", parent_itemid = "infobike://ince/nce", publishercode ="ince", year = "1978", volume = "11", number = "1", publication date ="1978-07-01T00:00:00", pages = "18-30", itemtype = "ARTICLE", issn = "0093-9978", url = "https://ince.publisher.ingentaconnect.com/content/ince/nce/1978/00000011/00000001/art00003", doi = "doi:10.3397/1.2832096", author = "Czarneckl, Stefan", abstract = "", }