1. Unity of forces in the universe;Zee,1982
2. Supersymmetry,1987
3. Superstrings,1985
4. M. Abolins et al., in Proc. 1982 DPF Summer study on elementary particle physics and future facilities, Fermilab, Batavia, IL, ed. R. Donaldson, R. Gustafson and F. Paige, p. 274;