@article{ref1,
title="Children's Ideas of Fire, Heat, Frost and Cold",
journal="Pedagogical seminary",
year="1903",
author="Hall, G. S. and Browne, CE",
volume="10",
number="1",
pages="27-85",
abstract="[Abstract unavailable]  <p>Language: en</p>",
language="en",
issn="0891-9402",
doi="",
url="http://dx.doi.org/"
}