1. References;Chemistry of Heterocyclic Compounds: A Series Of Monographs;2008-01-02
2. References;Chemistry of Heterocyclic Compounds: A Series Of Monographs;2008-01-02
3. General List of References;Chemistry of Heterocyclic Compounds: A Series Of Monographs;2008-01-02
4. Sulphur-Containing Pyrimidines;Chemistry of Heterocyclic Compounds: A Series Of Monographs;2008-01-02
5. Volume 3 References;Comprehensive Heterocyclic Chemistry;1984