1. D. Kleppner, Physics Today, March 1985, 79.
2. Review of the Brinkman Survey “Physics Through the 1990s” of the National Research Counsel, USA, Physics Today, April 1986.
3. Positron Annihilation, proceedings of the positron annihilation conferences in: a) Delhi, 1985, ed’s. P.C. Jain, R.M. Singru, and K.P. Gopinathan (World Scientific, Singapore, 1985) 1048 pp. b) Fort Worth, Texas, 1982, eds. P.O. Coleman, S.C. Sharma, and L.M. Diana (North Holland, Amsterdam, 1982) 986 pp. c) Lake Yamanaka, Japan, 1979, ed’s. R. R. Hasiguti and K. Fujiwara (The Japan Institute of Metals, Sendai, 1979) 945 pp.
4. Positron Solid-State Physics, ed’s. W. Brandt and A. Dupasquier, (North Holland, Amsterdam, 1983) 710 pp.
5. Positrons in Solids, ed. P. Hautojärvi (Springer, Berlin, 1979) 255 pp.