Rengert, George. "Transportation and agricultural development : a case study of the Tinajas-Ciudad Alemán Highway and the agricultural production within the Tierra Blanca Municipio, Veracruz, Mexico /." Master's thesis, Ohio State University, 1967. http://rave.ohiolink.edu/etdc/view?acc_num=osu1731946104330414Chicago Manual of Style (17th edition)