Научная литератураThe Chemistry of Heterocyclic Compounds, Five Member Heterocyclic Compounds with Nitrogen and Sulfur or Nitrogen, Sulfur and Oxygen Except ThiazoleArnold Weissberger, L. L. Bambas
Научная литератураThe Chemistry of Heterocyclic Compounds, Heterocyclic Derivatives of Phosphorous, Arsenic, Antimony and BismuthArnold Weissberger, Frederick G. Mann
