Di Feo, Marco G., Lyndon Juden-Kelly, Stan Koren, and Cynthia Whissell. “Geomagnetic Variables and US Market Descriptors As Predictors of the Frequency of Use of the Google Search Terms Anxiety, Depression, Peace and Dow Jones”. Advances in Social Sciences Research Journal 5, no. 8 (August 31, 2018). Accessed December 1, 2024. http://804474.wannyin.cyou/index.php/ASSRJ/article/view/5105.