K. D. Timmerhaus,International Cryogenic Materials Conference.Advances in cryogenic engineering.V.24:proceedings of the 2d International Cryogenic Materials Conference(2nd : 1977 : Boulder, Colo.).Plenum,1978.
R. P. Reed,A. F. Clark,International Cryogenic Materials Conference.Advances in cryogenic engineering, materials.V.28:International Cryogenic Materials Conference (4th : 1981 : San Diego, Calif.).Plenum,1982.
A. F. Clark,R. P. Reed,International Cryogenic Materials Conference.Advances in crygenic engineering materials.V.26:International Cryogenic Materials Conference(3rd : 1979 : Madison).Plenum,1980.