@article {Karnopp:1975:0093-9978:114, title = "Computer-Aided Design of Acoustic Filters Using Bond Graphs", journal = "Noise Control Engineering", parent_itemid = "infobike://ince/nce", publishercode ="ince", year = "1975", volume = "4", number = "3", publication date ="1975-05-01T00:00:00", pages = "114-118", itemtype = "ARTICLE", issn = "0093-9978", url = "https://ince.publisher.ingentaconnect.com/content/ince/nce/1975/00000004/00000003/art00003", doi = "doi:10.3397/1.2831994", author = "Karnopp, D. and Reed, J. and Margolis, D. and Dwyer, H.", abstract = "", }