Economic geology of Sri Lanka /

by Herath, J. W, Herath, J. W
Published 1986

Industrial clays of Sri Lanka : geology, mineralogy, and appraisal for ceramics and other industries /

by Herath, J. W, Herath, J. W
Published 1973

Mineral resources of Sri Lanka /

by Herath, J. W, Herath, J. W
Published 1975

Economic geology of Sri Lanka /

by Herath, J. W
Published 1985

Ceramics in Sri Lanka : resources, potentialities, and current issues /

by Herath, J. W
Published 2005

Mineral based industries of Sri Lanka /

by Herath, J. W
Published 1977

Fourth International Gondwana Symposium, Calcutta, January 17-22, 1977 /

by Herath, J. W

Study group on LANDSAT imagery for Commonwealth countries in the African region : September 5-10, 1977, Lobatse, Botswana /

by Herath, J. W
Published 1977

Seminar of Heads of Geological Surveys of Commonwealth Countries in the Asian Region, November 28-December 2, 1977 /

Published 1978