@article{ref1,
title="History and Development of Foam As A Fire Extinguishing Medium",
journal="Industrial and engineering chemistry",
year="1956",
author="Ratzer, AF",
volume="48",
number="11",
pages="2013-2016",
abstract="[Abstract unavailable]  <p>Language: en</p>",
language="en",
issn="0019-7866",
doi="",
url="http://dx.doi.org/"
}