Alwis, N.A.W.A.T. Bibliography of Scientific Publications relating to Sri Lanka 1960-1976 - NSC Colombo 1978 - 244 - Sri Lanka http://thakshana.nsf.ac.lk/slstic/NA-32/NA_32.pdf = Alwis, N.A.W.A.T. Standard No.: M Standard Tech. Report. No.: LCCN: B Nat. Bib. No.: NA-32 Nat. Bib. Agency Control No.: NA-32 Subjects--Topical Terms: Science & Technology