VARIATION OF THE ENERGY SPECTRUM OF BISMUTH, ANTIMONY AND THEIR ALLOYS UNDER STRONG UNIAXIAL TENSION N.B. Brandt, E.V. Bogdanov, V.A. Kulbachinsky and N.Ya. Minina J. Phys. Colloques, 39 C6 (1978) C6-1108-C6-1109 DOI: 10.1051/jphyscol:19786491