<ref xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:mml="http://www.w3.org/1998/Math/MathML" id="R14"><label>14</label><element-citation publication-type="journal"><person-group person-group-type="author"><name><surname>Pirbalouti</surname><given-names>AG</given-names></name><name><surname>Hashemi</surname><given-names>M</given-names></name><name><surname>Ghahfarokhi</surname><given-names>FT</given-names></name></person-group><article-title>Essential oil and chemical compositions of wild and cultivated Thymus daenensis Celak and Thymus vulgaris L</article-title><source>Industrial Crops and Products</source><year>2013</year><volume>48</volume><fpage>43</fpage><lpage>48</lpage></element-citation></ref>