@article{ref1,
title="The problem of alcoholism in schools in Warsaw. II. Parent's report on frequency of drinking of alcoholic beverages by school pupils",
journal="Roczniki Panstwowego Zakladu Higieny",
year="1966",
author="Korczak, C. W. and Leowski, J.",
volume="17",
number="3",
pages="345-350",
abstract="<p>[Abstract unavailable]</p><p>Language: pl</p>",
language="pl",
issn="0035-7715",
doi="",
url="http://dx.doi.org/"
}