Frey-Wyssling, Albert. Macromolecules in cell structure. / by Albert Frey-Wyssling. - Cambridge : Harvard University Press, 1957. - vii, 112 p. : illus. 26 cm. - The John M. Prather lectures ; 1956 . - 1956. John M. Prather lectures ; . Includes bibliography and index. Subjects--Topical Terms: Cytology. Dewey Class. No.: 576.32 / FRM 1957