Adler, Hans A. Sector and project planning in transportation Hans A. Adler. - Washington [International Bank for Reconstruction and Development] distributed by the Johns Hopkins Press [1967]. - x, 78 p. 23 cm. - World Bank staff occasional papers no. 4 . Bibliography: p. 77-78. LCCN: 67028574 Subjects--Topical Terms: Transportation--Developing countries. LC Class. No.: HE148.5 / .A3 Dewey Class. No.: 711./.7