Athuraliya, J.P.D.S.Ediriweera, K.Abeysinghe, S.S.Benaragama, M.Namasivayam, S.S.2019-02-132019-02-132004Transactions - 2004 Volume I - PART B Technical Papers:p.110-116https://dl-iesl.nsf.gov.lk/handle/1/1146Article