The Chemistry of Heterocyclic Compounds, Five Member Heterocyclic Compounds with Nitrogen & Sulfur or Nitrogen, Sulfur and Oxygen Except ThiazoleBambas, L. L.422,40€
The Chemistry of Heterocyclic Compounds, Heterocyclic Derivatives of Phosphorous, Arsenic, Antimony and BismuthMann, Frederick G.422,40€