<ref xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:mml="http://www.w3.org/1998/Math/MathML" id="R22"><label>22</label><element-citation publication-type="journal"><person-group person-group-type="author"><name><surname>Mourey</surname><given-names>A</given-names></name><name><surname>Canillac</surname><given-names>N</given-names></name></person-group><article-title>Anti-Listeria monocytogenes activity of essential oils components of conifers</article-title><source>Food Control</source><year>2002</year><volume>13</volume><issue>4-5</issue><fpage>289</fpage><lpage>292</lpage></element-citation></ref>