R. A. Ferrell, J. K. Bhattacharjee, and S. I. Mukhin, Theory for normal state critical Kapitza resistance of ⁴He, Low Temp. Phys. 24, (1998) [Fiz. Nizk. Temp. 24, 109-111, (1998)] DOI: https://doi.org/10.1063/1.593541.