. . "Journal of industrial and engineering chemistry." . . "University of North Carolina at Chapel Hill" . . . . . . . . . "Periodicals" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Charles H. Herty papers" . . . . . . . .