@article{ref1,
title="Play material for the first five years. II",
journal="Health visitor",
year="1975",
author="Bamford, T.",
volume="48",
number="10",
pages="384-386",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0017-9140",
doi="",
url="http://dx.doi.org/"
}