Katritzky, A. R. (Alan Roy) Chemistry of the heterocyclic N-oxides / by A.R. Katritzky and J.M. Lagowski - London : Academic Press, 1971 - xii,587p illus.; 24 cm. - Organic chemistry 19 . ISBN: 0124012507 Subjects--Topical Terms: Organic compoundsHeterocyclic compoundsNitrogen oxides