Diamond of the silent blue - Colombo Sri lanka Navy 2013 - v,498 minute sheet dated 130816-130924 (KDU/LIB/WO/43/08) ISBN: 9789559339021 Subjects--Topical Terms: History-Sri lanka NavyNaval forces and workforceSri lanka Navy-diamond jubilee Dewey Class. No.: 359.0095493 / S63