author = { Koenig, Laura L. AND Fuchs, Susanne },

title = { Vowel Formants in Normal and Loud Speech },

publisher = {American Speech Language Hearing Association},

isbn = {1092-4388},

isbn = {1558-9102},

year = {2019},

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