%0 Journal Article %A I. I. Plyusnina %T Investigation of the chalcedony structural desorder by the method of infrared spectroscopy %J Doklady Akademii Nauk %D 1978 %P 839-842 %V 240 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1978_240_4_a18/ %G ru %F DAN_1978_240_4_a18