Petroleum : downstream /
Coleman, Hywel.
Petroleum : downstream / Hywel Coleman. - London : Heinemann Educational Books, 1984. - 39 p. : ill. - Heinemann science and technical readers .
Readers--Petroleum.
Petroleum--Transportation.
Petroleum--Refining.
English language--Textbooks for foreign speakers.
Petroleum : downstream / Hywel Coleman. - London : Heinemann Educational Books, 1984. - 39 p. : ill. - Heinemann science and technical readers .
Readers--Petroleum.
Petroleum--Transportation.
Petroleum--Refining.
English language--Textbooks for foreign speakers.