Wijeratna, D.G.D.G.Wijayathilake, A.C.S.Ekanayake, J.B.Fernando, M.A.R.M.2018-04-192018-04-191997Transactions - 1997:p.123-128https://dl-iesl.nsf.gov.lk/handle/1/603Composite insulators:performance on the existing pollution problem in Sri LankaTechnical Paper