330.9852 Lew E Lewis, Robert Alden Empolment, income and the growth of the barriadas in Lima, PerĂº; a thesis presentes to the Faculty of the Graduate School of Cornell University for the degree of Doctor of Philosophy. (Ithaca, N. Y.) 1973. xix, 358 p. tablas (l pleg.) 28 cm. (Latin American Studies Program. Dissertations series, no. 46)