Gupta, R. R. Heterocyclic chemistry Gupta, R. R. - Berlin; New York Springer, 1998- - v. <1-2 > : ISBN: 3540648402 (v. 1 : alk. paper);ISBN3540652523 (v. 2 : alk. paper) Subjects--Topical Terms: Heterocyclic chemistry. LC Class. No.: QD400 / .G86-1998