<?xml version="1.0"?>
<dblp>
<article key="journals/ipm/Travis77" mdate="2004-05-04">
<author>I. L. Travis</author>
<title>Design equations for citation retrieval systems: Their role in research and analysis.</title>
<pages>49-56</pages>
<year>1977</year>
<volume>13</volume>
<journal>Inf. Process. Manage.</journal>
<number>1</number>
<ee>http://dx.doi.org/10.1016/0306-4573(77)90030-9</ee>
<url>db/journals/ipm/ipm13.html#Travis77</url>
</article>
</dblp>
