@book{18910,
	author = {IRWIN, J. David and GRAF, Edward R.},
	title = {Industrial noise and vibration control /},
	publisher = {Prentice-Hall,},
	year = {1979.},
	address = {Englewood Cliffs :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=18910}
}