E. B. Gordon, M. I. Kulish, M. E. Stepanov, V. I. Matyushenko, and A. V. Karabulin, Experimental research of condensation processes occurring under laser ablation in superfluid helium and vacuum, Low Temp. Phys. 46, (2020) [Fiz. Nizk. Temp. 46, 1062-1067, (2020)] DOI: https://doi.org/10.1063/10.0001711.