5 Deutsche Mark Germany, Federal Republic 1970, KM# 127 | CoinBrothers Catalog
5 DM Ludwig van Beethoven BRD 1970 | muenzenladen.de
5 Deutsche Mark GERMAN FEDERAL REPUBLIC 1970 P.30a b61_2204 Banknotes
Direct studies of 1,1-diazenes. Syntheses, infrared and electronic spectra, and kinetics of the thermal decomposition of N-(2,2,6,6-tetramethylpiperidyl)nitrene and N-(2,2,5,5-tetramethylpyrrolidyl)nitrene | Journal of the American Chemical Society