Min Ding, Shuzhen Peng, Longjiang Mao, Wei Zhang, and Qiuyue Zhao. 2021. “Major Element Geochemistry of LongShan Loess Profile in the Central Shandong Mountainous Regions, Northern China”. Journal of Risk Analysis and Crisis Response 7 (3). https://jracr.com/index.php/jracr/article/view/218.