Neunhoeffer Hans Chemistry of 1,2,3-Triazines and 1,2,4-triazines, tetrazines and pentazines - New York John Wiley 1978 - xxv,1335p. cm. - Chemistry of heterocyclic compounds . Standard No.: 45264 Source: Textual Subjects--Topical Terms: IndicatorChemistry Dewey Class. No.: E85, L8