Gao J., and J.B. Delos, in (World Scientific Publishing Company, Singapore, Antigua Hacienda De Galindo, San Juan Del Rio, Quer\ Etero, Mexico, 1994).
Schroer M.D., M.H. Kolodrubetz, W.F. Kindel, M. Sandberg, J. Gao, M.R. Vissers, D.P. Pappas, A. Polkovnikov, and K.W. Lehnert, Physical Review Letters 113, 050402 (2014).
Mates J.A.B., K.D. Irwin, L.R. Vale, G.C. Hilton, J. Gao, and K.W. Lehnert, Journal Of Low Temperature Physics 167, 707-712 (2012).
Gao J., L.R. Vale, J.A.B. Mates, D.R. Schmidt, G.C. Hilton, K.D. Irwin, F. Mallet, M.A. Castellanos-Beltran, K.W. Lehnert, J. Zmuidzinas, and H.G. Leduc, Applied Physics Letters 98, 232508 (2011).