{{cite journal | last1=Wang | first1=X. H. | author2=Y. P. Song | author3=J. Ren | author4=T. K. Liu | author5=X. L. Hou | author6=Y. Li | year=2013 | title=RESPONSE OF BIOMASS AND PHOTOSYNTHESIS IN NON-HEADING CHINESE CABBAGE TO EXCESS COPPER | journal=Journal of Animal and Plant Sciences | volume=23 | issue=6 | pages=1659-1665 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2013-JAPS-628}}