Wollrab, James E. Rotational spectra and molecular structure [by] James E. Wollrab. - New York: Academic Press, 1967. - xiii, 468 p.: illus.; 24 cm. - Physical chemistry; a series of monographs, 13 . - Physical chemistry ; v. 13. . Bibliography: p. 318-391. Subjects--Topical Terms: Molecular rotation. Dewey Class. No.: 541.28 WOL