Wiley, Richard H. Pyrazolones, pyrazolidones, and derivatives / Richard H. Wiley, Paul Wiley. - New York : Interscience Publishers, 1964. - xv, 539 p. : tables. ; 24 cm. - The Chemistry of heterocyclic compounds v. 20 . - 547.593 . Bibliography: p. 483-523. Subjects--Topical Terms: Pyrazolines.Pyrozolidine. Dewey Class. No.: 547.593