author = { Bloothooft, Gerrit AND Plomp, Reinier },

title = { The timbre of sung vowels },

publisher = {Acoustical Society of America (ASA)},

isbn = {0001-4966},

isbn = {1520-8524},

year = {1988},

url = { http://slubdd.de/katalog?TN_libero_mab2 }