Lorenc, Zofia, Sławomir Tomczewski, and Leszek Sałbut. “Graphene Nanoplatelets Size Analysis Based on Sample Transparency”. Photonics Letters of Poland 7, no. 4 (December 31, 2015): pp. 118–120. Accessed March 5, 2024. https://www.photonics.pl/PLP/index.php/letters/article/view/7-42.