@book{32854,
	author = {Maurer, Dieter},
	title = {Acoustics of the Vowel - Preliminaries},
	url = {https://library.oapen.org/bitstream/20.500.12657/32926/1/588650.pdf||https://library.oapen.org/bitstream/20.500.12657/32926/1/588650.pdf||https://library.oapen.org/bitstream/20.500.12657/32926/1/588650.pdf||https://library.oapen.org/bitstream/20.500.12657/32926/1/588650.pdf}
}