TY - JOUR A1 - Zhang, D.D. A1 - Lee, H.F. A1 - Wang, C. A1 - Li, B. A1 - Pei, Q. A1 - Zhang, J. A1 - An, Y. T1 - The causality analysis of climate change and large-scale human crisis Y1 - 2011 DO - 10.1073/pnas.1104268108 JF - Proceedings of the National Academy of Sciences of the United States of America VL - 108 IS - 42 ER -