Nitrogen with Four Rings, Volume 2 Autor C F H Allen 16 ian 1991 Hardback Preț: 3453.81 lei 3795.39 lei 6-8 săpt. -9%
Six Membered Heterocyclic Nitrogen Compounds with Three Condensed Rings, Volume 12 Autor C F H Allen 15 ian 1958 Hardback Preț: 3215.40 lei 3533.41 lei 6-8 săpt. -9%