%0 Journal Article %A T. M. Lifschitz %A F. Ya. Nagy %T Photoconductivity in germanium alloyed with V~group elements when the photon energies are lower than the admixture ionization energy %J Doklady Akademii Nauk %D 1965 %P 801-802 %V 162 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1965_162_4_a20/ %G ru %F DAN_1965_162_4_a20