Brown, D. (1971). Chemistry of heterocyclic compounds: Fusedpyrimidines. John Wiley Interscience Publications.

Brown, D.J. Chemistry of Heterocyclic Compounds: Fusedpyrimidines. New York: John Wiley Interscience Publications, 1971.

Brown, D.J. Chemistry of Heterocyclic Compounds: Fusedpyrimidines. John Wiley Interscience Publications, 1971.