Candan Mehmet, Yilmaz Meral, Tay Thrgay, Kivanc Merih and Türk Hayrettin, « Antimicrobial activity of extracts of the lichen Xanthoparmelia pokomyi and its gyrophoric and stenosporic acid constituents », Zeitschrift für Naturforschung C, vol. 61, nos 5–6, , p. 319–323 (DOI10.1515/znc-2006-5-603)