GUNARATNE, M.H. The concept of counter vailing power in maritime affairs-central freight bureau of Sri Lanka / by M.H.Gunaratne - Colombo Central Freight Bureau of Sri Lanka 1978 - viii, 124 p.- - Research series; no.1 . ISBN: 54650 Subjects--Topical Terms: Trade-History Dewey Class. No.: 382.093 / GUN