Alwis, N.A.W.A.T. Bibliography of Scientific literature on S.L. and by Sri Lankan Scientists relating to Agriculture, Forestry, Veterinary Sciences and Fisheries Vol. 1. - NSC Colombo 1979 - lk. - Agriculture Forestry Veterinary Science Fisheires Sri Lanka http://thakshana.nsf.ac.lk/slstic/NA-04/NA-04.pdf = Alwis, N.A.W.A.T. Standard No.: M Standard Tech. Report. No.: LCCN: B Nat. Bib. No.: NA-04 Nat. Bib. Agency Control No.: NA-04 Subjects--Topical Terms: Science & Technology