@article{ref1,
title="Noise problems in shipyards and during navigation",
journal="Annales Academiae Medicae Stetinensis",
year="1976",
author="Nowak, R. and Dahl, D.",
volume="14",
number="",
pages="69-77",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="1427-440X",
doi="",
url="http://dx.doi.org/"
}