Gupta R R Heterocyclic chemistry - Berlin Springer-Verlag 1998 - p. cm. Includes bibliographical references ISBN: 3540652523(V 2) (hbd) 3540648402(V 1) (hbd) Standard No.: 10951 Source: N R, Textual Subjects--Topical Terms: HeterocyclicChemistry Dewey Class. No.: E8, N8.1;4