The bubble method of water purificationB. M. Smirnov, N. Yu. Babaeva, G. V. Naidis, V. A. Panov, A. S. Saveliev, E. E. Son and D. V. TereshonokEPL, 121 4 (2018) 48007DOI: https://doi.org/10.1209/0295-5075/121/48007