Some historical aspects of the development of industrial clays (KAOLIN) in Sri Lanka

Perera, C.T.S.B.2016-05-062016-05-061987Seminar on Clays:p.4-5https://dl-ifs.nsf.gov.lk/handle/1/1448Some historical aspects of the development of industrial clays (KAOLIN) in Sri LankaConference Paper