TY - BOOK AU - Gupta R R AU - Gupta V AU - Kumar M TI - Heterocyclic chemistry: Kumar M Gupta V SN - 8181282213(V 2) (pbk) U1 - E8, N8.1;1 N8.2 Carc PY - 1998/// CY - Berlin PB - Springer-Verlag KW - Heterocyclic chemistry KW - Chemistry N1 - Includes bibliographical references.; Index 411-422p.(V 1); Index 627-638p. (V 2) ER -