@article{ref1,
title="Measuring activity by "work sampling"",
journal="Dimensions in health service",
year="1978",
author="Cercone, R.",
volume="55",
number="11",
pages="34, 36-34, 36",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0317-7645",
doi="",
url="http://dx.doi.org/"
}