Teng, Yanhua, Aiping Shi, Zhaoquan Chen, Lingyan Xia, Changguo Xue, and Mingxu Zhang. “Pattern Formation in Evaporation Coffee Droplets: Influence of Temperature and Salt”. Asian Journal of Chemistry 26, no. 6 (March 12, 2014): 1619–1621. Accessed July 23, 2024. https://asianpubs.org/index.php/ajchem/article/view/26_7_15.