1. B.H. Rose, J.E. Rhodes, L.E. Halliburton, BNL-21074, Oklahoma State University, USA.
2. Perfection studies of KMF3 (M=Fe, Co, Ni) crystals grown from the flux
3. Topographic and etching investigations on melt grown doped KMgF3 crystals
4. B.W. Mott, Micro-indentation Hardness Testing, Butterworths, London, 1956, p. 206.
5. J.H. Westbrook, Flow in salt structure, Report 58-RL 2033 of the GE Research Laboratory, USA, 1958.