W. Firth,Intrnational Conference on Optical Bistability.International Conference on Optical Bistability (1988 : Aussois)：Optical bistability-IV.Avenue du hoggar,1988.
C. M. Bowden,International Conference on Optical bistability.International Conference on Optical bistability (1980 : Asheville, N. C.)：Optical bistability.Plenum Pr.,1981.
C. M. Bowden,International Topical Meeting on Optical Bistability.International Topical Meeting on Optical Bistability (1983 : Univ. of Rochester)：Optical bistability ．V.2，proceedings.Plenum Pr.,1984.
