%0 Journal Article %A I. I. Plyusnina %T Investigation of the features of plagioclase infrared spectra depending on the composition and structural ordering %J Doklady Akademii Nauk %D 1976 %P 611-614 %V 231 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1976_231_3_a22/ %G ru %F DAN_1976_231_3_a22