Nitrogen with Four Rings, Volume 2 Autor C F H Allen 16 ian 1991 Hardback Preț: 3445.55 lei 3786.32 lei 43-57 zile -9%
Six Membered Heterocyclic Nitrogen Compounds with Three Condensed Rings, Volume 12 Autor C F H Allen 15 ian 1958 Hardback Preț: 3183.44 lei 3498.28 lei 43-57 zile -9%