The graphite industry in Sri Lanka
Wijayananda , N.P.
The graphite industry in Sri Lanka - Mattakkuliya National Aguatic Resources 1987 - 95 p. Illustration 21 cm. - Science Education Series No 24 .
Economic Geology
Geology
Graphite
553.26 / WIJ
The graphite industry in Sri Lanka - Mattakkuliya National Aguatic Resources 1987 - 95 p. Illustration 21 cm. - Science Education Series No 24 .
Economic Geology
Geology
Graphite
553.26 / WIJ