1. Electron hopping transport in orthorhombic S crystals
2. The charge transport in orthorhombic sulphur crystals
3. Adler, D. and Brooks, H. 1965.Physics of Solids at High Pressures, Edited by: Tomizuka, C.T. and Emrick, R.M. 567–567. New York: Academic Press. Theory of semiconductor to metal transition
4. Semiconductor-to-Metal Transition inV2O3