@book{50679,
	author = {ESSEN, Otto von.},
	title = {Allgemeine und Angewandte Phonetik :},
	publisher = {Akademia Verlag,},
	year = {1957.},
	address = {Berlin :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=50679}
}