ed. by R. P. Reed and A. F. Clark.Advances in cryogenic engineering, materials(4th : 1981 : San Diego, Calif.)．V.28，Proceedings of the 4th International Cryogenic materials conference, San Diego, Calif. , 981.Plenum,1982.
Advances in cryogenic engineering, materials(4th : 1981 : San Diego, Calif.)．V.28，Proceedings of the 4th International Cryogenic materials conference, San Diego, Calif. , 981
