1. [2] Yasui, K., Mechanism for Stability of Ultrafine Bubbles, Japanese Journal of Multiphase Flow, Vol. 30(1), 19-26 (2016) (doi:10.3811/jjmf.30.19).
2. [3] Alheshibri, M. and Craig, V. S. J., Differentiating between Nanoparticles and Nanobubbles by Evaluation of the Compressibility and Density of Nanoparticles, J. Phys. Chem. C., Vol. 122(38), 21998-22007 (2018) (doi:10.1021/acs.jpcc.8b07174).
3. [4] Jadhav, A. J. and Barigou, M., Bulk Nanobubbles or Not Nanobubbles: That is the Question, Langmuir, Vol. 36(7), 1699-1708 (2020) (doi:10.1021/acs.langmuir.9b03532).
4. [5] Shirono, K. and Tsugoshi, T., Overview of the Proficiency Test and Its Statistical Methods, BUNSEKI, Vol. 4, 152-160 (2014).
5. [6] Maguire, C. M., Sillence, K., Roesslein, M., Hannell, C., Suarez, G., Sauvain, J.-J., Capracotta, S., Contal, S., Cambier, S., El Yamani, N., Dusinska, M., Dybowska, A., Vennemann, A., Cooke, L., Haase, A., Luch, A., Wiemann, M., Gutleb, A., Korenstein, R., Riediker, M., Wick, P., Hole, P. and Prina-Mello, A., Benchmark of Nanoparticle Tracking Analysis on Measuring Nanoparticle Sizing and Concentration, J. Micro Nano-Manufacturing, Vol. 5(4) 041002 (2017) (doi:10.1115/1.4037124).