1. R.R. Hasiguti, K. Fujiwara, (Eds.), Positron Annihilation, Proc. 5 th Int. Conf. on Positron Annihilation, Japan Institute of Metals, Sendai, Japan, 1979.
2. P.G. Coleman, S.C. Shrma, L.M. Dianna, (Eds.), Positron Annihilation, Proc. 6th Int. Conf. on Positron Annihilation, North-Holland, Amsterdam, 1982.
3. P.C. Jain, R.M. Singru, K.P. Gopinathan, (Eds.), Positron Annihilation, Proc. 7th Int. Conf. on Positron Annihilation, World Scientific, Singapore, 1985.
4. P. Hautojarvi, (Ed.), Positrons in Solids, Topics in Current Physics, Springer, Berlin, 1979.
5. W. Brandt, A. Dupasquier (Eds.), positron Solid-State Physcis, Proc. Int. School of Physics, Enrico Fermi, 1981, North-Holland, Amsterdam, 1983.