Katritzky, A. R., Lagowski

Katritzky, A. R. Lagowski, J. M. Chemistry of the Heterocylic -Oxides Academic Press, NY, 1971. (Review). 

Katritzky, A. R., Lagowski, J. M., Prototropic Tautomerism of Heteroaromatic Compounds. I. General Discussion and Methods of Study, 1, 311 II. Six-Membered Rings, 1, 339 III. Five-Membered Rings and One Hetero Atom, 2, 1 IV. Five-Membered Rings with Two or More Hetero Atoms, 2, 27. 

For reviews of the reduction of heterocyclic amine oxides, see Albini, A. Pietra, S. Heterocyclic N-Oxides, CRC Press, Boca Raton, FL, 1991, pp. 120-134 Katritzky, A.R. Lagowski, J.M. Chemistry of the Heterocyclic N-Oxides, Academic Press, NY, 1971, pp. 166-231. 

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