%0 Journal Article %A I. N. Plaksin %A M. A. Belyakov %A L. P. Starchik %T Use of nuclear reaction $(\alpha,n,\gamma)$ for estimating beryllium in concentration products %J Doklady Akademii Nauk %D 1962 %P 374-376 %V 142 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1962_142_2_a26/ %G ru %F DAN_1962_142_2_a26