00253nam a2200085Ia 4500008004100000041000700041100001900048245005600067260004400123180612s9999||||xx |||||||||||||| ||und||  aen  aPERERA, D.G.A. 0aSystematic Nomenclature for the Birds of Sri Lanka.  aDehiwalabTirasa Prakasakayo Ltd.c1983