{{cite journal | last1=Keskin | first1=N. | author2=B. Kunter | year=2010 | title=PRODUCTION OF TRANS-RESVERATROL IN CALLUS TISSUE OF ÖKÜZGÖZÜ (VITIS VINIFERA L.) IN RESPONSE TO ULTRAVIOLET-C IRRADIATION | journal=Journal of Animal and Plant Sciences | volume=20 | issue=3 | pages=197-200 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2010-JAPS-312}}