Zhao, Baowei, and Bin Jiang. “Aqueous Dissolution of Phenanthrene from Loess Soil Using Triton X-100 and Sodium Dodecylbenzene Sulfonate”. Asian Journal of Chemistry, vol. 23, no. 9, June 2011, pp. 3859-64, https://asianpubs.org/index.php/ajchem/article/view/10806.