Levine, Jerome P., 1937- Lectures on groups of homotopy spheres/ notes by Allan Gottlieb and Clint McCrory. - [Waltham, Mass.]: Brandeis University, 1971. - 41 pag.: 28 cm. Cover title. Bibliography: [p. 42-43] Subjects--Topical Terms: Homotopy theory. Dewey Class. No.: 514.24 / L665l