1. Purification methods of Cd, Te and CdTe and periodicity of segregation coefficients of admixtures
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3. J.W. Burd, B.D. Stone, W.F. Tucker, K.P. Gupta, US patent No. 4201746, 1980.
4. L.H. Fricke Jr., T.E. Riechard, US patent No. 4080172, 1978.
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