Berezina Maxim Kirillovich RussiaSaratov State University, 410012, Russia, Saratov, Astrakhanskaya street, 83berezin@sgu.ru Author's articles The Manifestation’s Research of the Pair Association in the Pyridine’s Ir-Spectrums by the Matrix Isolation Technique Numerical Simulation of Vibronic Spectra for Polyatomic Molecules Temperature Effects in Vibronic Intensity of Absorption and Resonance Fluorescence Spectra