ELECTROREFLECTANCE OF THIN ZINC SULFIDE FILMS GROWN BY ATOMIC LAYER EPITAXY AND ELECTRON BEAM EVAPORATION TECHNIQUES J.A. Lahtinen et T. Tuomi J. Phys. Colloques, 44 C10 (1983) C10-239-C10-242 DOI: 10.1051/jphyscol:19831050