Gupta R R Heterocyclic chemistry - Berlin Springer-Verlag 1998 - x, 638p. cm. Includes bibliographical references ISBN: 3540652523(V 2) (hbd) Standard No.: 10954 Source: N R, Textbook Subjects--Topical Terms: HeterocyclicChemistry Dewey Class. No.: E8, N8.2;1 TE