He, Lu, Xiaolin Gui, Reifeng Wu, Biqing Xie, and Chang Hu. “A Hybrid Natural Language Information Hiding System”. Elektronika ir Elektrotechnika 18, no. 9 (November 9, 2012): 95-100. Accessed October 1, 2022. https://eejournal.ktu.lt/index.php/elt/article/view/2817.