%0 Journal Article %A I. Ya. Kachkurova %T Infrared absorption spectra of tetracene and pentacene monoanions and dianions %J Doklady Akademii Nauk %D 1972 %P 568-571 %V 206 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1972_206_3_a14/ %G ru %F DAN_1972_206_3_a14