Ilangakoon, A. Whales&dolphins Sri Lanka - WHT Publication (Private)Limited Colombo 2002 - iv,99 - Sri Lanka Fishers ISBN: 955-9114-28-X Nat. Bib. No.: 6424 Nat. Bib. Agency Control No.: 599.53(548.7)ILA Subjects--Topical Terms: Biological Sciences Universal Decimal Class. No.: 599.53(548.7) 1