%0 Journal Article %A G. G. Dvoryantseva %A M. I. Struchkova %A Yu. N. Sheinker %T Integral intensities of infrared absorption bands of certain natural oscillations of cyclopentadienyl rings in ferrocene derivatives %J Doklady Akademii Nauk %D 1963 %P 617-620 %V 152 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1963_152_3_a30/ %G ru %F DAN_1963_152_3_a30