@article{ref1,
title="Chromatographic identification of salicylic acid derivatives using polyamide thin-layer slides, ion-exchange and ordinary cellulose paper",
journal="American educational research journal",
year="1974",
author="el-Darawy, Z. I. and Mobarak, Z. M.",
volume="4",
number="2",
pages="171-176",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-8312",
doi="",
url="http://dx.doi.org/"
}