{{cite journal | last1=Yao | first1=Y. B. | author2=Q. Zhang | author3=J. S. Wang | author4=J. L. Shang | author5=Y. Wang | author6=J. Shi | author7=L. Y. Han | year=2015 | title=SPATIOTEMPORAL CHANGE OF SPRING DROUGHT IN SOUTHWEST CHINA | journal=Journal of Animal and Plant Sciences | volume=25 | issue=3 | pages=260-269 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2015-JAPS-339}}