As of 1 April 2026, the PSJD database will become an archive and will no longer accept new data. Current publications from Polish scientific journals are available through the Library of Science: https://bibliotekanauki.pl
Conformation of the N(CH_3)_2 group in cytosine and in simple model pyrimidines and pyridines. Steric effects of ortho-methyl substitution on infrared spectra and molecular dipole moments