Bennathan, Esra. The economics of ocean freight rates / Esra Bennathan, A. A. Walters. - New York : Praeger, 1969. - xi, 135 p. ; 25 cm. - Praeger special studies in international economics and development . Includes bibliographical reference. Subjects--Topical Terms: Shipping--Rates. LC Class. No.: HE594 / .B46 1969