Lal, Madan, Gaurav Verma, and Keya Dharamvir. “Better Dispersability of Un-Functionalized Multiwalled Carbon Nanotubes Through Sonication Techniques”. Asian Journal of Chemistry 24, no. 8 (April 17, 2012): 3537–3540. Accessed February 23, 2026. https://asianpubs.org/index.php/ajchem/article/view/9445.